diff --git a/rust/signed_doc/Cargo.toml b/rust/signed_doc/Cargo.toml
index 26a023b70a..a8941025a4 100644
--- a/rust/signed_doc/Cargo.toml
+++ b/rust/signed_doc/Cargo.toml
@@ -45,9 +45,11 @@ multibase = "0.9.2"
 async-trait = "0.1.89"
 dashmap = "6.1.0"
 
+# tests_utils dependencies
+rand = "0.8.5"
+
 [dev-dependencies]
 base64-url = "3.0.0"
-rand = "0.8.5"
 uuid = { version = "1.12.0", features = ["v7"] }
 tokio = { version = "1.42.0", features = ["macros"] }
 test-case = "3.3.1"
diff --git a/rust/signed_doc/src/lib.rs b/rust/signed_doc/src/lib.rs
index 3d1f9dd3cd..ddf6c3ea09 100644
--- a/rust/signed_doc/src/lib.rs
+++ b/rust/signed_doc/src/lib.rs
@@ -8,6 +8,7 @@ pub mod doc_types;
 mod metadata;
 pub mod providers;
 mod signature;
+pub mod tests_utils;
 pub mod validator;
 
 use std::{
diff --git a/rust/signed_doc/src/metadata/document_refs/doc_locator.rs b/rust/signed_doc/src/metadata/document_refs/doc_locator.rs
index d1ddfeee42..099c0e8e84 100644
--- a/rust/signed_doc/src/metadata/document_refs/doc_locator.rs
+++ b/rust/signed_doc/src/metadata/document_refs/doc_locator.rs
@@ -146,7 +146,7 @@ mod tests {
     use minicbor::{Decoder, Encoder};
 
     use super::*;
-    use crate::{Builder, ContentType, metadata::document_refs::tests::create_dummy_doc_ref};
+    use crate::{Builder, ContentType, tests_utils::create_dummy_doc_ref};
 
     #[test]
     fn test_doc_locator_encode_decode() {
diff --git a/rust/signed_doc/src/metadata/document_refs/mod.rs b/rust/signed_doc/src/metadata/document_refs/mod.rs
index a7e1a4a27a..a786fd73c5 100644
--- a/rust/signed_doc/src/metadata/document_refs/mod.rs
+++ b/rust/signed_doc/src/metadata/document_refs/mod.rs
@@ -195,31 +195,12 @@ mod serde_impl {
 #[cfg(test)]
 pub(crate) mod tests {
 
-    use catalyst_types::uuid::{CborContext, UuidV4, UuidV7};
+    use catalyst_types::uuid::{CborContext, UuidV7};
     use minicbor::{Decoder, Encoder};
     use test_case::test_case;
 
     use super::*;
-    use crate::{ContentType, builder::Builder};
-
-    pub(crate) fn create_dummy_doc_ref() -> DocumentRef {
-        let id = UuidV7::new();
-        let ver = UuidV7::new();
-        let doc = Builder::new()
-            .with_json_metadata(serde_json::json!({
-                "id": id.to_string(),
-                "ver": ver.to_string(),
-                "type": UuidV4::new().to_string(),
-                "content-type": ContentType::Json,
-            }))
-            .expect("Should create metadata")
-            .with_json_content(&serde_json::json!({"test": "content"}))
-            .expect("Should set content")
-            .build()
-            .expect("Should build document");
-
-        doc.doc_ref().expect("Should generate DocumentRef")
-    }
+    use crate::tests_utils::create_dummy_doc_ref;
 
     #[test_case(
         CompatibilityPolicy::Accept,
diff --git a/rust/signed_doc/tests/common/brand_parameters.rs b/rust/signed_doc/src/tests_utils/brand_parameters.rs
similarity index 73%
rename from rust/signed_doc/tests/common/brand_parameters.rs
rename to rust/signed_doc/src/tests_utils/brand_parameters.rs
index d335d3a3c6..296767c07e 100644
--- a/rust/signed_doc/tests/common/brand_parameters.rs
+++ b/rust/signed_doc/src/tests_utils/brand_parameters.rs
@@ -1,14 +1,17 @@
-use catalyst_signed_doc::providers::tests::TestCatalystProvider;
 use ed25519_dalek::ed25519::signature::Signer;
 
-use super::*;
+use crate::{
+    Builder, CatalystSignedDocument, ContentEncoding, ContentType, doc_types,
+    providers::tests::TestCatalystProvider, tests_utils::create_dummy_admin_key_pair, uuid::UuidV7,
+};
 
+#[allow(clippy::missing_errors_doc)]
 pub fn brand_parameters_doc(
     template: &CatalystSignedDocument,
     provider: &mut TestCatalystProvider,
 ) -> anyhow::Result<CatalystSignedDocument> {
     let id = UuidV7::new();
-    let (sk, kid) = create_dummy_key_pair(None);
+    let (sk, kid) = create_dummy_admin_key_pair();
     provider.add_sk(kid.clone(), sk.clone());
 
     let template_ref = template.doc_ref()?;
diff --git a/rust/signed_doc/tests/common/brand_parameters_form_template.rs b/rust/signed_doc/src/tests_utils/brand_parameters_form_template.rs
similarity index 70%
rename from rust/signed_doc/tests/common/brand_parameters_form_template.rs
rename to rust/signed_doc/src/tests_utils/brand_parameters_form_template.rs
index 564822c88e..e6983c31a3 100644
--- a/rust/signed_doc/tests/common/brand_parameters_form_template.rs
+++ b/rust/signed_doc/src/tests_utils/brand_parameters_form_template.rs
@@ -1,13 +1,16 @@
-use catalyst_signed_doc::providers::tests::TestCatalystProvider;
 use ed25519_dalek::ed25519::signature::Signer;
 
-use super::*;
+use crate::{
+    Builder, CatalystSignedDocument, ContentEncoding, ContentType, doc_types,
+    providers::tests::TestCatalystProvider, tests_utils::create_dummy_admin_key_pair, uuid::UuidV7,
+};
 
+#[allow(clippy::missing_errors_doc)]
 pub fn brand_parameters_form_template_doc(
     provider: &mut TestCatalystProvider
 ) -> anyhow::Result<CatalystSignedDocument> {
     let id = UuidV7::new();
-    let (sk, kid) = create_dummy_key_pair(None);
+    let (sk, kid) = create_dummy_admin_key_pair();
     provider.add_sk(kid.clone(), sk.clone());
     Builder::new()
         .with_json_metadata(serde_json::json!({
diff --git a/rust/signed_doc/tests/common/campaign_parameters.rs b/rust/signed_doc/src/tests_utils/campaign_parameters.rs
similarity index 76%
rename from rust/signed_doc/tests/common/campaign_parameters.rs
rename to rust/signed_doc/src/tests_utils/campaign_parameters.rs
index 7fd594747b..fc8f3446d5 100644
--- a/rust/signed_doc/tests/common/campaign_parameters.rs
+++ b/rust/signed_doc/src/tests_utils/campaign_parameters.rs
@@ -1,15 +1,18 @@
-use catalyst_signed_doc::providers::tests::TestCatalystProvider;
 use ed25519_dalek::ed25519::signature::Signer;
 
-use super::*;
+use crate::{
+    Builder, CatalystSignedDocument, ContentEncoding, ContentType, doc_types,
+    providers::tests::TestCatalystProvider, tests_utils::create_dummy_admin_key_pair, uuid::UuidV7,
+};
 
+#[allow(clippy::missing_errors_doc)]
 pub fn campaign_parameters_doc(
     template: &CatalystSignedDocument,
     parameters: &CatalystSignedDocument,
     provider: &mut TestCatalystProvider,
 ) -> anyhow::Result<CatalystSignedDocument> {
     let id = UuidV7::new();
-    let (sk, kid) = create_dummy_key_pair(None);
+    let (sk, kid) = create_dummy_admin_key_pair();
     provider.add_sk(kid.clone(), sk.clone());
 
     let template_ref = template.doc_ref()?;
diff --git a/rust/signed_doc/tests/common/campaign_parameters_form_template.rs b/rust/signed_doc/src/tests_utils/campaign_parameters_form_template.rs
similarity index 74%
rename from rust/signed_doc/tests/common/campaign_parameters_form_template.rs
rename to rust/signed_doc/src/tests_utils/campaign_parameters_form_template.rs
index 36360edca0..ba47befc14 100644
--- a/rust/signed_doc/tests/common/campaign_parameters_form_template.rs
+++ b/rust/signed_doc/src/tests_utils/campaign_parameters_form_template.rs
@@ -1,14 +1,17 @@
-use catalyst_signed_doc::providers::tests::TestCatalystProvider;
 use ed25519_dalek::ed25519::signature::Signer;
 
-use super::*;
+use crate::{
+    Builder, CatalystSignedDocument, ContentEncoding, ContentType, doc_types,
+    providers::tests::TestCatalystProvider, tests_utils::create_dummy_admin_key_pair, uuid::UuidV7,
+};
 
+#[allow(clippy::missing_errors_doc)]
 pub fn campaign_parameters_form_template_doc(
     parameters: &CatalystSignedDocument,
     provider: &mut TestCatalystProvider,
 ) -> anyhow::Result<CatalystSignedDocument> {
     let id = UuidV7::new();
-    let (sk, kid) = create_dummy_key_pair(None);
+    let (sk, kid) = create_dummy_admin_key_pair();
     provider.add_sk(kid.clone(), sk.clone());
 
     let parameters_ref = parameters.doc_ref()?;
diff --git a/rust/signed_doc/tests/common/category_parameters.rs b/rust/signed_doc/src/tests_utils/category_parameters.rs
similarity index 76%
rename from rust/signed_doc/tests/common/category_parameters.rs
rename to rust/signed_doc/src/tests_utils/category_parameters.rs
index ad17d2ecbf..687c3b7a20 100644
--- a/rust/signed_doc/tests/common/category_parameters.rs
+++ b/rust/signed_doc/src/tests_utils/category_parameters.rs
@@ -1,15 +1,18 @@
-use catalyst_signed_doc::providers::tests::TestCatalystProvider;
 use ed25519_dalek::ed25519::signature::Signer;
 
-use super::*;
+use crate::{
+    Builder, CatalystSignedDocument, ContentEncoding, ContentType, doc_types,
+    providers::tests::TestCatalystProvider, tests_utils::create_dummy_admin_key_pair, uuid::UuidV7,
+};
 
+#[allow(clippy::missing_errors_doc)]
 pub fn category_parameters_doc(
     template: &CatalystSignedDocument,
     parameters: &CatalystSignedDocument,
     provider: &mut TestCatalystProvider,
 ) -> anyhow::Result<CatalystSignedDocument> {
     let id = UuidV7::new();
-    let (sk, kid) = create_dummy_key_pair(None);
+    let (sk, kid) = create_dummy_admin_key_pair();
     provider.add_sk(kid.clone(), sk.clone());
 
     let template_ref = template.doc_ref()?;
diff --git a/rust/signed_doc/tests/common/category_parameters_form_template.rs b/rust/signed_doc/src/tests_utils/category_parameters_form_template.rs
similarity index 74%
rename from rust/signed_doc/tests/common/category_parameters_form_template.rs
rename to rust/signed_doc/src/tests_utils/category_parameters_form_template.rs
index 5bfe416e4c..429ae51cf2 100644
--- a/rust/signed_doc/tests/common/category_parameters_form_template.rs
+++ b/rust/signed_doc/src/tests_utils/category_parameters_form_template.rs
@@ -1,14 +1,17 @@
-use catalyst_signed_doc::providers::tests::TestCatalystProvider;
 use ed25519_dalek::ed25519::signature::Signer;
 
-use super::*;
+use crate::{
+    Builder, CatalystSignedDocument, ContentEncoding, ContentType, doc_types,
+    providers::tests::TestCatalystProvider, tests_utils::create_dummy_admin_key_pair, uuid::UuidV7,
+};
 
+#[allow(clippy::missing_errors_doc)]
 pub fn category_parameters_form_template_doc(
     parameters: &CatalystSignedDocument,
     provider: &mut TestCatalystProvider,
 ) -> anyhow::Result<CatalystSignedDocument> {
     let id = UuidV7::new();
-    let (sk, kid) = create_dummy_key_pair(None);
+    let (sk, kid) = create_dummy_admin_key_pair();
     provider.add_sk(kid.clone(), sk.clone());
 
     let parameters_ref = parameters.doc_ref()?;
diff --git a/rust/signed_doc/tests/common/contest_ballot.rs b/rust/signed_doc/src/tests_utils/contest_ballot.rs
similarity index 75%
rename from rust/signed_doc/tests/common/contest_ballot.rs
rename to rust/signed_doc/src/tests_utils/contest_ballot.rs
index 0951f8e5a3..daffeb8574 100644
--- a/rust/signed_doc/tests/common/contest_ballot.rs
+++ b/rust/signed_doc/src/tests_utils/contest_ballot.rs
@@ -1,16 +1,18 @@
-use catalyst_signed_doc::providers::tests::TestCatalystProvider;
 use ed25519_dalek::ed25519::signature::Signer;
 
-use super::*;
+use crate::{
+    Builder, CatalystSignedDocument, ContentEncoding, ContentType, doc_types,
+    providers::tests::TestCatalystProvider, tests_utils::create_dummy_admin_key_pair, uuid::UuidV7,
+};
 
-/// Creates a contest ballot document.
+#[allow(clippy::missing_errors_doc)]
 pub fn contest_ballot_doc(
     ref_doc: &CatalystSignedDocument,
     parameters_doc: &CatalystSignedDocument,
     provider: &mut TestCatalystProvider,
 ) -> anyhow::Result<CatalystSignedDocument> {
     let id = UuidV7::new();
-    let (sk, kid) = create_dummy_key_pair(None);
+    let (sk, kid) = create_dummy_admin_key_pair();
     provider.add_sk(kid.clone(), sk.clone());
 
     let parameters_ref = parameters_doc.doc_ref()?;
diff --git a/rust/signed_doc/tests/common/contest_ballot_checkpoint.rs b/rust/signed_doc/src/tests_utils/contest_ballot_checkpoint.rs
similarity index 77%
rename from rust/signed_doc/tests/common/contest_ballot_checkpoint.rs
rename to rust/signed_doc/src/tests_utils/contest_ballot_checkpoint.rs
index 149361f521..eebdb43ce0 100644
--- a/rust/signed_doc/tests/common/contest_ballot_checkpoint.rs
+++ b/rust/signed_doc/src/tests_utils/contest_ballot_checkpoint.rs
@@ -1,16 +1,18 @@
-use catalyst_signed_doc::providers::tests::TestCatalystProvider;
 use ed25519_dalek::ed25519::signature::Signer;
 
-use super::*;
+use crate::{
+    Builder, CatalystSignedDocument, Chain, ContentEncoding, ContentType, doc_types,
+    providers::tests::TestCatalystProvider, tests_utils::create_dummy_admin_key_pair, uuid::UuidV7,
+};
 
-/// Creates a contest ballot checkpoint document.
+#[allow(clippy::missing_errors_doc)]
 pub fn contest_ballot_checkpoint_doc(
     linked_doc: &CatalystSignedDocument,
     parameters_doc: &CatalystSignedDocument,
     provider: &mut TestCatalystProvider,
 ) -> anyhow::Result<CatalystSignedDocument> {
     let id = UuidV7::new();
-    let (sk, kid) = create_dummy_key_pair(None);
+    let (sk, kid) = create_dummy_admin_key_pair();
     provider.add_sk(kid.clone(), sk.clone());
 
     let linked_ref = linked_doc.doc_ref()?;
diff --git a/rust/signed_doc/tests/common/contest_delegation.rs b/rust/signed_doc/src/tests_utils/contest_delegation.rs
similarity index 74%
rename from rust/signed_doc/tests/common/contest_delegation.rs
rename to rust/signed_doc/src/tests_utils/contest_delegation.rs
index 28363147c3..f4b3e364b6 100644
--- a/rust/signed_doc/tests/common/contest_delegation.rs
+++ b/rust/signed_doc/src/tests_utils/contest_delegation.rs
@@ -1,16 +1,19 @@
-use catalyst_signed_doc::providers::tests::TestCatalystProvider;
 use ed25519_dalek::ed25519::signature::Signer;
 
-use super::*;
+use crate::{
+    Builder, CatalystSignedDocument, ContentEncoding, ContentType, catalyst_id::role_index::RoleId,
+    doc_types, providers::tests::TestCatalystProvider, tests_utils::create_dummy_key_pair,
+    uuid::UuidV7,
+};
 
-/// Creates a contest delegation document.
+#[allow(clippy::missing_errors_doc)]
 pub fn contest_delegation_doc(
     ref_doc: &CatalystSignedDocument,
     parameters_doc: &CatalystSignedDocument,
     provider: &mut TestCatalystProvider,
 ) -> anyhow::Result<CatalystSignedDocument> {
     let id = UuidV7::new();
-    let (sk, kid) = create_dummy_key_pair(Some(RoleId::Role0));
+    let (sk, kid) = create_dummy_key_pair(RoleId::Role0);
     provider.add_sk(kid.clone(), sk.clone());
 
     let parameters_ref = parameters_doc.doc_ref()?;
diff --git a/rust/signed_doc/tests/common/contest_parameters.rs b/rust/signed_doc/src/tests_utils/contest_parameters.rs
similarity index 76%
rename from rust/signed_doc/tests/common/contest_parameters.rs
rename to rust/signed_doc/src/tests_utils/contest_parameters.rs
index 2adcbb5592..d69d6dfaa0 100644
--- a/rust/signed_doc/tests/common/contest_parameters.rs
+++ b/rust/signed_doc/src/tests_utils/contest_parameters.rs
@@ -1,16 +1,18 @@
-use catalyst_signed_doc::providers::tests::TestCatalystProvider;
 use ed25519_dalek::ed25519::signature::Signer;
 
-use super::*;
+use crate::{
+    Builder, CatalystSignedDocument, ContentEncoding, ContentType, doc_types,
+    providers::tests::TestCatalystProvider, tests_utils::create_dummy_admin_key_pair, uuid::UuidV7,
+};
 
-/// Creates a contest parameters form template document.
+#[allow(clippy::missing_errors_doc)]
 pub fn contest_parameters_doc(
     template: &CatalystSignedDocument,
     parameters_doc: &CatalystSignedDocument,
     provider: &mut TestCatalystProvider,
 ) -> anyhow::Result<CatalystSignedDocument> {
     let id = UuidV7::new();
-    let (sk, kid) = create_dummy_key_pair(None);
+    let (sk, kid) = create_dummy_admin_key_pair();
     provider.add_sk(kid.clone(), sk.clone());
 
     let template_ref = template.doc_ref()?;
diff --git a/rust/signed_doc/tests/common/contest_parameters_form_template.rs b/rust/signed_doc/src/tests_utils/contest_parameters_form_template.rs
similarity index 74%
rename from rust/signed_doc/tests/common/contest_parameters_form_template.rs
rename to rust/signed_doc/src/tests_utils/contest_parameters_form_template.rs
index 4f35414216..8cd9272dc7 100644
--- a/rust/signed_doc/tests/common/contest_parameters_form_template.rs
+++ b/rust/signed_doc/src/tests_utils/contest_parameters_form_template.rs
@@ -1,15 +1,17 @@
-use catalyst_signed_doc::providers::tests::TestCatalystProvider;
 use ed25519_dalek::ed25519::signature::Signer;
 
-use super::*;
+use crate::{
+    Builder, CatalystSignedDocument, ContentEncoding, ContentType, doc_types,
+    providers::tests::TestCatalystProvider, tests_utils::create_dummy_admin_key_pair, uuid::UuidV7,
+};
 
-/// Creates a contest parameters form template document.
+#[allow(clippy::missing_errors_doc)]
 pub fn contest_parameters_form_template_doc(
     parameters_doc: &CatalystSignedDocument,
     provider: &mut TestCatalystProvider,
 ) -> anyhow::Result<CatalystSignedDocument> {
     let id = UuidV7::new();
-    let (sk, kid) = create_dummy_key_pair(None);
+    let (sk, kid) = create_dummy_admin_key_pair();
     provider.add_sk(kid.clone(), sk.clone());
 
     let parameters_ref = parameters_doc.doc_ref()?;
diff --git a/rust/signed_doc/tests/common/mod.rs b/rust/signed_doc/src/tests_utils/mod.rs
similarity index 77%
rename from rust/signed_doc/tests/common/mod.rs
rename to rust/signed_doc/src/tests_utils/mod.rs
index 562c250f6e..e35e14595c 100644
--- a/rust/signed_doc/tests/common/mod.rs
+++ b/rust/signed_doc/src/tests_utils/mod.rs
@@ -1,4 +1,8 @@
-#![allow(dead_code, unused_imports)]
+//! Reusable functionality for building and signing documents
+//! # WARNING
+//! FOR TESTING PURPOSES ONLY, DON'T USE IN PRODUCTION CODE
+
+#![allow(missing_docs)]
 
 pub mod brand_parameters;
 pub mod brand_parameters_form_template;
@@ -21,18 +25,10 @@ pub mod rep_nomination_form_template;
 pub mod rep_profile;
 pub mod rep_profile_form_template;
 
-use std::str::FromStr;
-
 pub use brand_parameters::brand_parameters_doc;
 pub use brand_parameters_form_template::brand_parameters_form_template_doc;
 pub use campaign_parameters::campaign_parameters_doc;
 pub use campaign_parameters_form_template::campaign_parameters_form_template_doc;
-use catalyst_signed_doc::{
-    catalyst_id::{CatalystId, role_index::RoleId},
-    providers::tests::TestCatalystProvider,
-    uuid::{UuidV4, UuidV7},
-    *,
-};
 pub use category_parameters::category_parameters_doc;
 pub use category_parameters_form_template::category_parameters_form_template_doc;
 pub use contest_ballot::contest_ballot_doc;
@@ -50,6 +46,14 @@ pub use rep_nomination_form_template::rep_nomination_form_template_doc;
 pub use rep_profile::rep_profile_doc;
 pub use rep_profile_form_template::rep_profile_form_template_doc;
 
+use crate::{
+    Builder, CatalystSignedDocument, ContentType, DocumentRef,
+    catalyst_id::{CatalystId, role_index::RoleId},
+    providers::tests::TestCatalystProvider,
+    uuid::{UuidV4, UuidV7},
+};
+
+#[allow(clippy::missing_errors_doc)]
 pub fn get_doc_kid_and_sk(
     provider: &TestCatalystProvider,
     doc: &CatalystSignedDocument,
@@ -66,24 +70,26 @@ pub fn get_doc_kid_and_sk(
 }
 
 // If `None` make `CatalystId` as admin
-pub fn create_dummy_key_pair(
-    role_index: Option<RoleId>
-) -> (ed25519_dalek::SigningKey, CatalystId) {
+#[must_use]
+pub fn create_dummy_key_pair(role_index: RoleId) -> (ed25519_dalek::SigningKey, CatalystId) {
+    let sk = create_signing_key();
+    let kid = CatalystId::new("cardano", None, sk.verifying_key()).with_role(role_index);
+    (sk, kid)
+}
+
+#[must_use]
+pub fn create_dummy_admin_key_pair() -> (ed25519_dalek::SigningKey, CatalystId) {
     let sk = create_signing_key();
-    let kid = if let Some(role_index) = role_index {
-        CatalystId::new("cardano", None, sk.verifying_key()).with_role(role_index)
-    } else {
-        CatalystId::new("cardano", None, sk.verifying_key()).as_admin()
-    };
+    let kid = CatalystId::new("cardano", None, sk.verifying_key()).as_admin();
     (sk, kid)
 }
 
+#[must_use]
 pub fn create_signing_key() -> ed25519_dalek::SigningKey {
     let mut csprng = rand::rngs::OsRng;
     ed25519_dalek::SigningKey::generate(&mut csprng)
 }
 
-#[allow(clippy::expect_used)]
 pub fn create_dummy_doc_ref() -> DocumentRef {
     let test_doc = Builder::new()
         .with_json_metadata(serde_json::json!({
@@ -92,11 +98,11 @@ pub fn create_dummy_doc_ref() -> DocumentRef {
             "type": UuidV4::new().to_string(),
             "content-type": ContentType::Json,
         }))
-        .expect("Should create metadata")
+        .expect("Must be valid metadata fields")
         .with_json_content(&serde_json::json!({"test": "content"}))
-        .expect("Should set content")
+        .expect("Must be valid JSON object")
         .build()
-        .expect("Should build document");
+        .expect("Must be valid document");
 
-    test_doc.doc_ref().expect("Should generate DocumentRef")
+    test_doc.doc_ref().expect("Must be valid DocumentRef")
 }
diff --git a/rust/signed_doc/tests/common/proposal.rs b/rust/signed_doc/src/tests_utils/proposal.rs
similarity index 73%
rename from rust/signed_doc/tests/common/proposal.rs
rename to rust/signed_doc/src/tests_utils/proposal.rs
index ca59947178..4acffc6b24 100644
--- a/rust/signed_doc/tests/common/proposal.rs
+++ b/rust/signed_doc/src/tests_utils/proposal.rs
@@ -1,17 +1,19 @@
-use catalyst_signed_doc::providers::tests::TestCatalystProvider;
 use ed25519_dalek::ed25519::signature::Signer;
 
-use super::*;
+use crate::{
+    Builder, CatalystSignedDocument, ContentEncoding, ContentType, catalyst_id::role_index::RoleId,
+    doc_types, providers::tests::TestCatalystProvider, tests_utils::create_dummy_key_pair,
+    uuid::UuidV7,
+};
 
-/// Creates a Proposal doc, contain all fields mention in the document spec (except
-/// 'collaborators' and 'revocations')
+#[allow(clippy::missing_errors_doc)]
 pub fn proposal_doc(
     template_doc: &CatalystSignedDocument,
     parameters_doc: &CatalystSignedDocument,
     provider: &mut TestCatalystProvider,
 ) -> anyhow::Result<CatalystSignedDocument> {
     let id = UuidV7::new();
-    let (sk, kid) = create_dummy_key_pair(Some(RoleId::Proposer));
+    let (sk, kid) = create_dummy_key_pair(RoleId::Proposer);
     provider.add_sk(kid.clone(), sk.clone());
 
     let template_ref = template_doc.doc_ref()?;
diff --git a/rust/signed_doc/tests/common/proposal_comment.rs b/rust/signed_doc/src/tests_utils/proposal_comment.rs
similarity index 76%
rename from rust/signed_doc/tests/common/proposal_comment.rs
rename to rust/signed_doc/src/tests_utils/proposal_comment.rs
index 7cd0b1936b..ee29fc9913 100644
--- a/rust/signed_doc/tests/common/proposal_comment.rs
+++ b/rust/signed_doc/src/tests_utils/proposal_comment.rs
@@ -1,9 +1,12 @@
-use catalyst_signed_doc::providers::tests::TestCatalystProvider;
 use ed25519_dalek::ed25519::signature::Signer;
 
-use super::*;
+use crate::{
+    Builder, CatalystSignedDocument, ContentEncoding, ContentType, catalyst_id::role_index::RoleId,
+    doc_types, providers::tests::TestCatalystProvider, tests_utils::create_dummy_key_pair,
+    uuid::UuidV7,
+};
 
-/// Creates a Proposal Comment doc, without reply metadata field
+#[allow(clippy::missing_errors_doc)]
 pub fn proposal_comment_doc(
     ref_doc: &CatalystSignedDocument,
     template_doc: &CatalystSignedDocument,
@@ -11,7 +14,7 @@ pub fn proposal_comment_doc(
     provider: &mut TestCatalystProvider,
 ) -> anyhow::Result<CatalystSignedDocument> {
     let id = UuidV7::new();
-    let (sk, kid) = create_dummy_key_pair(Some(RoleId::Role0));
+    let (sk, kid) = create_dummy_key_pair(RoleId::Role0);
     provider.add_sk(kid.clone(), sk.clone());
 
     let ref_doc_ref = ref_doc.doc_ref()?;
diff --git a/rust/signed_doc/tests/common/proposal_comment_form_template.rs b/rust/signed_doc/src/tests_utils/proposal_comment_form_template.rs
similarity index 74%
rename from rust/signed_doc/tests/common/proposal_comment_form_template.rs
rename to rust/signed_doc/src/tests_utils/proposal_comment_form_template.rs
index b4cba3a5b4..9ebeca6354 100644
--- a/rust/signed_doc/tests/common/proposal_comment_form_template.rs
+++ b/rust/signed_doc/src/tests_utils/proposal_comment_form_template.rs
@@ -1,14 +1,17 @@
-use catalyst_signed_doc::providers::tests::TestCatalystProvider;
 use ed25519_dalek::ed25519::signature::Signer;
 
-use super::*;
+use crate::{
+    Builder, CatalystSignedDocument, ContentEncoding, ContentType, doc_types,
+    providers::tests::TestCatalystProvider, tests_utils::create_dummy_admin_key_pair, uuid::UuidV7,
+};
 
+#[allow(clippy::missing_errors_doc)]
 pub fn proposal_comment_form_template_doc(
     parameters_doc: &CatalystSignedDocument,
     provider: &mut TestCatalystProvider,
 ) -> anyhow::Result<CatalystSignedDocument> {
     let id = UuidV7::new();
-    let (sk, kid) = create_dummy_key_pair(None);
+    let (sk, kid) = create_dummy_admin_key_pair();
     provider.add_sk(kid.clone(), sk.clone());
 
     let parameters_ref = parameters_doc.doc_ref()?;
diff --git a/rust/signed_doc/tests/common/proposal_form_template.rs b/rust/signed_doc/src/tests_utils/proposal_form_template.rs
similarity index 74%
rename from rust/signed_doc/tests/common/proposal_form_template.rs
rename to rust/signed_doc/src/tests_utils/proposal_form_template.rs
index 76d8ea37f0..73a084ed28 100644
--- a/rust/signed_doc/tests/common/proposal_form_template.rs
+++ b/rust/signed_doc/src/tests_utils/proposal_form_template.rs
@@ -1,14 +1,17 @@
-use catalyst_signed_doc::providers::tests::TestCatalystProvider;
 use ed25519_dalek::ed25519::signature::Signer;
 
-use super::*;
+use crate::{
+    Builder, CatalystSignedDocument, ContentEncoding, ContentType, doc_types,
+    providers::tests::TestCatalystProvider, tests_utils::create_dummy_admin_key_pair, uuid::UuidV7,
+};
 
+#[allow(clippy::missing_errors_doc)]
 pub fn proposal_form_template_doc(
     parameters_doc: &CatalystSignedDocument,
     provider: &mut TestCatalystProvider,
 ) -> anyhow::Result<CatalystSignedDocument> {
     let id = UuidV7::new();
-    let (sk, kid) = create_dummy_key_pair(None);
+    let (sk, kid) = create_dummy_admin_key_pair();
     provider.add_sk(kid.clone(), sk.clone());
 
     let parameters_ref = parameters_doc.doc_ref()?;
diff --git a/rust/signed_doc/tests/common/proposal_submission_action.rs b/rust/signed_doc/src/tests_utils/proposal_submission_action.rs
similarity index 81%
rename from rust/signed_doc/tests/common/proposal_submission_action.rs
rename to rust/signed_doc/src/tests_utils/proposal_submission_action.rs
index 2ae84def4d..a4535da0cd 100644
--- a/rust/signed_doc/tests/common/proposal_submission_action.rs
+++ b/rust/signed_doc/src/tests_utils/proposal_submission_action.rs
@@ -1,8 +1,12 @@
-use catalyst_signed_doc::providers::tests::TestCatalystProvider;
 use ed25519_dalek::ed25519::signature::Signer;
 
-use super::*;
+use crate::{
+    Builder, CatalystSignedDocument, ContentEncoding, ContentType, catalyst_id::role_index::RoleId,
+    doc_types, providers::tests::TestCatalystProvider, tests_utils::get_doc_kid_and_sk,
+    uuid::UuidV7,
+};
 
+#[allow(clippy::missing_errors_doc)]
 pub fn proposal_submission_action_doc(
     ref_doc: &CatalystSignedDocument,
     parameters_doc: &CatalystSignedDocument,
diff --git a/rust/signed_doc/tests/common/rep_nomination.rs b/rust/signed_doc/src/tests_utils/rep_nomination.rs
similarity index 75%
rename from rust/signed_doc/tests/common/rep_nomination.rs
rename to rust/signed_doc/src/tests_utils/rep_nomination.rs
index b5c631a8ad..d34334e750 100644
--- a/rust/signed_doc/tests/common/rep_nomination.rs
+++ b/rust/signed_doc/src/tests_utils/rep_nomination.rs
@@ -1,8 +1,12 @@
-use catalyst_signed_doc::providers::tests::TestCatalystProvider;
 use ed25519_dalek::ed25519::signature::Signer;
 
-use super::*;
+use crate::{
+    Builder, CatalystSignedDocument, ContentEncoding, ContentType, catalyst_id::role_index::RoleId,
+    doc_types, providers::tests::TestCatalystProvider, tests_utils::create_dummy_key_pair,
+    uuid::UuidV7,
+};
 
+#[allow(clippy::missing_errors_doc)]
 pub fn rep_nomination_doc(
     template_doc: &CatalystSignedDocument,
     ref_doc: &CatalystSignedDocument,
@@ -10,7 +14,7 @@ pub fn rep_nomination_doc(
     provider: &mut TestCatalystProvider,
 ) -> anyhow::Result<CatalystSignedDocument> {
     let id = UuidV7::new();
-    let (sk, kid) = create_dummy_key_pair(Some(RoleId::DelegatedRepresentative));
+    let (sk, kid) = create_dummy_key_pair(RoleId::DelegatedRepresentative);
     provider.add_sk(kid.clone(), sk.clone());
 
     let template_ref = template_doc.doc_ref()?;
diff --git a/rust/signed_doc/tests/common/rep_nomination_form_template.rs b/rust/signed_doc/src/tests_utils/rep_nomination_form_template.rs
similarity index 74%
rename from rust/signed_doc/tests/common/rep_nomination_form_template.rs
rename to rust/signed_doc/src/tests_utils/rep_nomination_form_template.rs
index 1163b38537..f6785a5c45 100644
--- a/rust/signed_doc/tests/common/rep_nomination_form_template.rs
+++ b/rust/signed_doc/src/tests_utils/rep_nomination_form_template.rs
@@ -1,14 +1,17 @@
-use catalyst_signed_doc::providers::tests::TestCatalystProvider;
 use ed25519_dalek::ed25519::signature::Signer;
 
-use super::*;
+use crate::{
+    Builder, CatalystSignedDocument, ContentEncoding, ContentType, doc_types,
+    providers::tests::TestCatalystProvider, tests_utils::create_dummy_admin_key_pair, uuid::UuidV7,
+};
 
+#[allow(clippy::missing_errors_doc)]
 pub fn rep_nomination_form_template_doc(
     parameters: &CatalystSignedDocument,
     provider: &mut TestCatalystProvider,
 ) -> anyhow::Result<CatalystSignedDocument> {
     let id = UuidV7::new();
-    let (sk, kid) = create_dummy_key_pair(None);
+    let (sk, kid) = create_dummy_admin_key_pair();
     provider.add_sk(kid.clone(), sk.clone());
 
     let parameters_ref = parameters.doc_ref()?;
diff --git a/rust/signed_doc/tests/common/rep_profile.rs b/rust/signed_doc/src/tests_utils/rep_profile.rs
similarity index 73%
rename from rust/signed_doc/tests/common/rep_profile.rs
rename to rust/signed_doc/src/tests_utils/rep_profile.rs
index a2e3e92d8c..9ebe22ae68 100644
--- a/rust/signed_doc/tests/common/rep_profile.rs
+++ b/rust/signed_doc/src/tests_utils/rep_profile.rs
@@ -1,15 +1,19 @@
-use catalyst_signed_doc::providers::tests::TestCatalystProvider;
 use ed25519_dalek::ed25519::signature::Signer;
 
-use super::*;
+use crate::{
+    Builder, CatalystSignedDocument, ContentEncoding, ContentType, catalyst_id::role_index::RoleId,
+    doc_types, providers::tests::TestCatalystProvider, tests_utils::create_dummy_key_pair,
+    uuid::UuidV7,
+};
 
+#[allow(clippy::missing_errors_doc)]
 pub fn rep_profile_doc(
     template_doc: &CatalystSignedDocument,
     parameters_doc: &CatalystSignedDocument,
     provider: &mut TestCatalystProvider,
 ) -> anyhow::Result<CatalystSignedDocument> {
     let id = UuidV7::new();
-    let (sk, kid) = create_dummy_key_pair(Some(RoleId::DelegatedRepresentative));
+    let (sk, kid) = create_dummy_key_pair(RoleId::DelegatedRepresentative);
     provider.add_sk(kid.clone(), sk.clone());
 
     let parameters_ref = parameters_doc.doc_ref()?;
diff --git a/rust/signed_doc/tests/common/rep_profile_form_template.rs b/rust/signed_doc/src/tests_utils/rep_profile_form_template.rs
similarity index 74%
rename from rust/signed_doc/tests/common/rep_profile_form_template.rs
rename to rust/signed_doc/src/tests_utils/rep_profile_form_template.rs
index b764177be7..87596a0445 100644
--- a/rust/signed_doc/tests/common/rep_profile_form_template.rs
+++ b/rust/signed_doc/src/tests_utils/rep_profile_form_template.rs
@@ -1,14 +1,17 @@
-use catalyst_signed_doc::providers::tests::TestCatalystProvider;
 use ed25519_dalek::ed25519::signature::Signer;
 
-use super::*;
+use crate::{
+    Builder, CatalystSignedDocument, ContentEncoding, ContentType, doc_types,
+    providers::tests::TestCatalystProvider, tests_utils::create_dummy_admin_key_pair, uuid::UuidV7,
+};
 
+#[allow(clippy::missing_errors_doc)]
 pub fn rep_profile_form_template_doc(
     parameters: &CatalystSignedDocument,
     provider: &mut TestCatalystProvider,
 ) -> anyhow::Result<CatalystSignedDocument> {
     let id = UuidV7::new();
-    let (sk, kid) = create_dummy_key_pair(None);
+    let (sk, kid) = create_dummy_admin_key_pair();
     provider.add_sk(kid.clone(), sk.clone());
 
     let parameters_ref = parameters.doc_ref()?;
diff --git a/rust/signed_doc/src/validator/rules/collaborators/tests.rs b/rust/signed_doc/src/validator/rules/collaborators/tests.rs
index dcfb1e879d..27104b4f1b 100644
--- a/rust/signed_doc/src/validator/rules/collaborators/tests.rs
+++ b/rust/signed_doc/src/validator/rules/collaborators/tests.rs
@@ -3,8 +3,7 @@ use test_case::test_case;
 
 use super::*;
 use crate::{
-    builder::tests::Builder, metadata::SupportedField,
-    validator::rules::utils::create_dummy_key_pair,
+    builder::tests::Builder, metadata::SupportedField, tests_utils::create_dummy_key_pair,
 };
 
 #[test_case(
diff --git a/rust/signed_doc/src/validator/rules/doc_ref/tests.rs b/rust/signed_doc/src/validator/rules/doc_ref/tests.rs
index 56f1f802a1..3116d72d83 100644
--- a/rust/signed_doc/src/validator/rules/doc_ref/tests.rs
+++ b/rust/signed_doc/src/validator/rules/doc_ref/tests.rs
@@ -3,9 +3,8 @@ use test_case::test_case;
 
 use super::*;
 use crate::{
-    builder::tests::Builder,
-    metadata::{SupportedField, document_refs::tests::create_dummy_doc_ref},
-    providers::tests::TestCatalystProvider,
+    builder::tests::Builder, metadata::SupportedField, providers::tests::TestCatalystProvider,
+    tests_utils::create_dummy_doc_ref,
 };
 
 #[test_case(
diff --git a/rust/signed_doc/src/validator/rules/ownership/tests/collaborators_field_based.rs b/rust/signed_doc/src/validator/rules/ownership/tests/collaborators_field_based.rs
index 88e66d2a81..464c927262 100644
--- a/rust/signed_doc/src/validator/rules/ownership/tests/collaborators_field_based.rs
+++ b/rust/signed_doc/src/validator/rules/ownership/tests/collaborators_field_based.rs
@@ -6,11 +6,9 @@ use ed25519_dalek::ed25519::signature::Signer;
 use test_case::test_case;
 
 use crate::{
-    CatalystSignedDocument,
-    builder::tests::Builder,
-    metadata::SupportedField,
-    providers::tests::TestCatalystProvider,
-    validator::rules::{DocumentOwnershipRule, utils::create_dummy_key_pair},
+    CatalystSignedDocument, builder::tests::Builder, metadata::SupportedField,
+    providers::tests::TestCatalystProvider, tests_utils::create_dummy_key_pair,
+    validator::rules::DocumentOwnershipRule,
 };
 
 #[test_case(
diff --git a/rust/signed_doc/src/validator/rules/ownership/tests/mod.rs b/rust/signed_doc/src/validator/rules/ownership/tests/mod.rs
index ada28b665e..e281175139 100644
--- a/rust/signed_doc/src/validator/rules/ownership/tests/mod.rs
+++ b/rust/signed_doc/src/validator/rules/ownership/tests/mod.rs
@@ -4,10 +4,8 @@ use catalyst_types::{catalyst_id::role_index::RoleId, uuid::UuidV7};
 use ed25519_dalek::ed25519::signature::Signer;
 
 use crate::{
-    builder::tests::Builder,
-    metadata::SupportedField,
-    providers::tests::TestCatalystProvider,
-    validator::rules::{DocumentOwnershipRule, utils::create_dummy_key_pair},
+    builder::tests::Builder, metadata::SupportedField, providers::tests::TestCatalystProvider,
+    tests_utils::create_dummy_key_pair, validator::rules::DocumentOwnershipRule,
 };
 
 mod collaborators_field_based;
diff --git a/rust/signed_doc/src/validator/rules/ownership/tests/ref_field_based.rs b/rust/signed_doc/src/validator/rules/ownership/tests/ref_field_based.rs
index 1ea9c99bff..14c90cd48a 100644
--- a/rust/signed_doc/src/validator/rules/ownership/tests/ref_field_based.rs
+++ b/rust/signed_doc/src/validator/rules/ownership/tests/ref_field_based.rs
@@ -6,11 +6,9 @@ use ed25519_dalek::ed25519::signature::Signer;
 use test_case::test_case;
 
 use crate::{
-    CatalystSignedDocument,
-    builder::tests::Builder,
-    metadata::SupportedField,
-    providers::tests::TestCatalystProvider,
-    validator::rules::{DocumentOwnershipRule, utils::create_dummy_key_pair},
+    CatalystSignedDocument, builder::tests::Builder, metadata::SupportedField,
+    providers::tests::TestCatalystProvider, tests_utils::create_dummy_key_pair,
+    validator::rules::DocumentOwnershipRule,
 };
 
 #[test_case(
diff --git a/rust/signed_doc/src/validator/rules/ownership/tests/without_collaborators.rs b/rust/signed_doc/src/validator/rules/ownership/tests/without_collaborators.rs
index 7bb8d1b7a5..a6c0a69d2b 100644
--- a/rust/signed_doc/src/validator/rules/ownership/tests/without_collaborators.rs
+++ b/rust/signed_doc/src/validator/rules/ownership/tests/without_collaborators.rs
@@ -6,11 +6,9 @@ use ed25519_dalek::ed25519::signature::Signer;
 use test_case::test_case;
 
 use crate::{
-    CatalystSignedDocument,
-    builder::tests::Builder,
-    metadata::SupportedField,
-    providers::tests::TestCatalystProvider,
-    validator::rules::{DocumentOwnershipRule, utils::create_dummy_key_pair},
+    CatalystSignedDocument, builder::tests::Builder, metadata::SupportedField,
+    providers::tests::TestCatalystProvider, tests_utils::create_dummy_key_pair,
+    validator::rules::DocumentOwnershipRule,
 };
 
 #[test_case(
diff --git a/rust/signed_doc/src/validator/rules/parameters/tests.rs b/rust/signed_doc/src/validator/rules/parameters/tests.rs
index 5fbee7bee4..18be8d8909 100644
--- a/rust/signed_doc/src/validator/rules/parameters/tests.rs
+++ b/rust/signed_doc/src/validator/rules/parameters/tests.rs
@@ -3,9 +3,8 @@ use test_case::test_case;
 
 use super::*;
 use crate::{
-    builder::tests::Builder,
-    metadata::{SupportedField, document_refs::tests::create_dummy_doc_ref},
-    providers::tests::TestCatalystProvider,
+    builder::tests::Builder, metadata::SupportedField, providers::tests::TestCatalystProvider,
+    tests_utils::create_dummy_doc_ref,
 };
 
 #[test_case(
diff --git a/rust/signed_doc/src/validator/rules/reply/tests.rs b/rust/signed_doc/src/validator/rules/reply/tests.rs
index 688bc06189..beecd6983e 100644
--- a/rust/signed_doc/src/validator/rules/reply/tests.rs
+++ b/rust/signed_doc/src/validator/rules/reply/tests.rs
@@ -3,10 +3,8 @@ use test_case::test_case;
 
 use super::*;
 use crate::{
-    DocumentRefs,
-    builder::tests::Builder,
-    metadata::{SupportedField, document_refs::tests::create_dummy_doc_ref},
-    providers::tests::TestCatalystProvider,
+    DocumentRefs, builder::tests::Builder, metadata::SupportedField,
+    providers::tests::TestCatalystProvider, tests_utils::create_dummy_doc_ref,
 };
 
 #[test_case(
diff --git a/rust/signed_doc/src/validator/rules/signature/tests.rs b/rust/signed_doc/src/validator/rules/signature/tests.rs
index e2ecb2ea3a..9ab55813db 100644
--- a/rust/signed_doc/src/validator/rules/signature/tests.rs
+++ b/rust/signed_doc/src/validator/rules/signature/tests.rs
@@ -8,8 +8,9 @@ use ed25519_dalek::ed25519::signature::Signer;
 
 use super::*;
 use crate::{
-    metadata::document_refs::tests::create_dummy_doc_ref, providers::tests::*,
-    validator::rules::utils::create_dummy_key_pair, *,
+    providers::tests::*,
+    tests_utils::{create_dummy_doc_ref, create_dummy_key_pair},
+    *,
 };
 
 fn metadata() -> serde_json::Value {
diff --git a/rust/signed_doc/src/validator/rules/template/tests.rs b/rust/signed_doc/src/validator/rules/template/tests.rs
index d627e0ab31..97290c0fd9 100644
--- a/rust/signed_doc/src/validator/rules/template/tests.rs
+++ b/rust/signed_doc/src/validator/rules/template/tests.rs
@@ -3,9 +3,8 @@ use test_case::test_case;
 
 use super::*;
 use crate::{
-    builder::tests::Builder,
-    metadata::{SupportedField, document_refs::tests::create_dummy_doc_ref},
-    providers::tests::TestCatalystProvider,
+    builder::tests::Builder, metadata::SupportedField, providers::tests::TestCatalystProvider,
+    tests_utils::create_dummy_doc_ref,
 };
 
 #[test_case(
diff --git a/rust/signed_doc/src/validator/rules/utils.rs b/rust/signed_doc/src/validator/rules/utils.rs
index e517ad2d58..4744486454 100644
--- a/rust/signed_doc/src/validator/rules/utils.rs
+++ b/rust/signed_doc/src/validator/rules/utils.rs
@@ -51,23 +51,3 @@ pub(crate) fn content_json_schema_check(
 
     true
 }
-
-#[cfg(test)]
-pub(super) fn create_dummy_key_pair(
-    role_index: catalyst_types::catalyst_id::role_index::RoleId
-) -> (
-    ed25519_dalek::SigningKey,
-    catalyst_types::catalyst_id::CatalystId,
-) {
-    let sk = create_signing_key();
-    let kid = catalyst_types::catalyst_id::CatalystId::new("cardano", None, sk.verifying_key())
-        .with_role(role_index)
-        .as_uri();
-    (sk, kid)
-}
-
-#[cfg(test)]
-pub(super) fn create_signing_key() -> ed25519_dalek::SigningKey {
-    let mut csprng = rand::rngs::OsRng;
-    ed25519_dalek::SigningKey::generate(&mut csprng)
-}
diff --git a/rust/signed_doc/tests/brand_parameters.rs b/rust/signed_doc/tests/brand_parameters.rs
index c76200091d..10900896e5 100644
--- a/rust/signed_doc/tests/brand_parameters.rs
+++ b/rust/signed_doc/tests/brand_parameters.rs
@@ -1,17 +1,18 @@
 //! Integration test for brand parameters document validation part.
 //! <https://docs.dev.projectcatalyst.io/libs/main/architecture/08_concepts/signed_doc/docs/brand_parameters>
 
-use catalyst_signed_doc::{providers::tests::TestCatalystProvider, *};
+use catalyst_signed_doc::{
+    providers::tests::TestCatalystProvider,
+    tests_utils::{
+        brand_parameters_doc, brand_parameters_form_template_doc, create_dummy_admin_key_pair,
+        create_dummy_key_pair,
+    },
+    *,
+};
 use catalyst_types::catalyst_id::role_index::RoleId;
 use ed25519_dalek::ed25519::signature::Signer;
 use test_case::test_case;
 
-use crate::common::{
-    brand_parameters_doc, brand_parameters_form_template_doc, create_dummy_key_pair,
-};
-
-mod common;
-
 #[test_case(
     |provider| {
         let template = brand_parameters_form_template_doc(provider).inspect(|v| provider.add_document(v).unwrap())?;
@@ -25,7 +26,7 @@ mod common;
     |provider| {
         let template = brand_parameters_form_template_doc(provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(Some(RoleId::Role0));
+        let (sk, kid) = create_dummy_key_pair(RoleId::Role0);
         provider.add_sk(kid.clone(), sk.clone());
 
         let template_ref = template.doc_ref()?;
@@ -51,7 +52,7 @@ mod common;
     |provider| {
         let template = brand_parameters_form_template_doc(provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(None);
+        let (sk, kid) = create_dummy_admin_key_pair();
         provider.add_sk(kid.clone(), sk.clone());
 
         let template_ref = template.doc_ref()?;
@@ -77,7 +78,7 @@ mod common;
     |provider| {
         let template = brand_parameters_form_template_doc(provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(None);
+        let (sk, kid) = create_dummy_admin_key_pair();
         provider.add_sk(kid.clone(), sk.clone());
 
         let template_ref = template.doc_ref()?;
@@ -102,7 +103,7 @@ mod common;
 #[test_case(
     |provider| {
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(None);
+        let (sk, kid) = create_dummy_admin_key_pair();
         provider.add_sk(kid.clone(), sk.clone());
         Builder::new()
             .with_json_metadata(serde_json::json!({
diff --git a/rust/signed_doc/tests/brand_parameters_form_template.rs b/rust/signed_doc/tests/brand_parameters_form_template.rs
index 4b5b480c9a..f2375606c0 100644
--- a/rust/signed_doc/tests/brand_parameters_form_template.rs
+++ b/rust/signed_doc/tests/brand_parameters_form_template.rs
@@ -1,15 +1,17 @@
 //! Integration test for brand parameters form template document validation part.
 //! <https://docs.dev.projectcatalyst.io/libs/main/architecture/08_concepts/signed_doc/docs/brand_parameters_form_template>
 
-use catalyst_signed_doc::{providers::tests::TestCatalystProvider, *};
+use catalyst_signed_doc::{
+    providers::tests::TestCatalystProvider,
+    tests_utils::{
+        brand_parameters_form_template_doc, create_dummy_admin_key_pair, create_dummy_key_pair,
+    },
+    *,
+};
 use catalyst_types::catalyst_id::role_index::RoleId;
 use ed25519_dalek::ed25519::signature::Signer;
 use test_case::test_case;
 
-use crate::common::{brand_parameters_form_template_doc, create_dummy_key_pair};
-
-mod common;
-
 #[test_case(
     |provider| {
         brand_parameters_form_template_doc(provider)
@@ -21,7 +23,7 @@ mod common;
 #[test_case(
     |provider| {
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(Some(RoleId::Role0));
+        let (sk, kid) = create_dummy_key_pair(RoleId::Role0);
         provider.add_sk(kid.clone(), sk.clone());
         Builder::new()
             .with_json_metadata(serde_json::json!({
@@ -42,7 +44,7 @@ mod common;
 #[test_case(
     |provider| {
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(None);
+        let (sk, kid) = create_dummy_admin_key_pair();
         provider.add_sk(kid.clone(), sk.clone());
         Builder::new()
             .with_json_metadata(serde_json::json!({
@@ -63,7 +65,7 @@ mod common;
 #[test_case(
     |provider| {
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(None);
+        let (sk, kid) = create_dummy_admin_key_pair();
         provider.add_sk(kid.clone(), sk.clone());
         Builder::new()
             .with_json_metadata(serde_json::json!({
diff --git a/rust/signed_doc/tests/campaign_parameters.rs b/rust/signed_doc/tests/campaign_parameters.rs
index 0af0d8ffc9..a1f26969ac 100644
--- a/rust/signed_doc/tests/campaign_parameters.rs
+++ b/rust/signed_doc/tests/campaign_parameters.rs
@@ -1,18 +1,18 @@
 //! Integration test for campaign parameters document validation part.
 //! <https://docs.dev.projectcatalyst.io/libs/main/architecture/08_concepts/signed_doc/docs/campaign_parameters>
 
-use catalyst_signed_doc::{providers::tests::TestCatalystProvider, *};
+use catalyst_signed_doc::{
+    providers::tests::TestCatalystProvider,
+    tests_utils::{
+        brand_parameters_doc, brand_parameters_form_template_doc, campaign_parameters_doc,
+        campaign_parameters_form_template_doc, create_dummy_admin_key_pair, create_dummy_key_pair,
+    },
+    *,
+};
 use catalyst_types::catalyst_id::role_index::RoleId;
 use ed25519_dalek::ed25519::signature::Signer;
 use test_case::test_case;
 
-use crate::common::{
-    brand_parameters_doc, brand_parameters_form_template_doc, campaign_parameters_doc,
-    campaign_parameters_form_template_doc, create_dummy_key_pair,
-};
-
-mod common;
-
 #[test_case(
     |provider| {
         let template = brand_parameters_form_template_doc(provider).inspect(|v| provider.add_document(v).unwrap())?;
@@ -30,7 +30,7 @@ mod common;
         let parameters = brand_parameters_doc(&template, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let template = campaign_parameters_form_template_doc(&parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(Some(RoleId::Role0));
+        let (sk, kid) = create_dummy_key_pair(RoleId::Role0);
         provider.add_sk(kid.clone(), sk.clone());
 
         let template_ref = template.doc_ref()?;
@@ -60,7 +60,7 @@ mod common;
         let parameters = brand_parameters_doc(&template, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let template = campaign_parameters_form_template_doc(&parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(None);
+        let (sk, kid) = create_dummy_admin_key_pair();
         provider.add_sk(kid.clone(), sk.clone());
 
         let template_ref = template.doc_ref()?;
@@ -90,7 +90,7 @@ mod common;
         let parameters = brand_parameters_doc(&template, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let template = campaign_parameters_form_template_doc(&parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(None);
+        let (sk, kid) = create_dummy_admin_key_pair();
         provider.add_sk(kid.clone(), sk.clone());
 
         let template_ref = template.doc_ref()?;
@@ -118,7 +118,7 @@ mod common;
         let template = brand_parameters_form_template_doc(provider).inspect(|v| provider.add_document(v).unwrap())?;
         let parameters = brand_parameters_doc(&template, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(None);
+        let (sk, kid) = create_dummy_admin_key_pair();
         provider.add_sk(kid.clone(), sk.clone());
 
         let parameters_ref = parameters.doc_ref()?;
@@ -146,7 +146,7 @@ mod common;
         let parameters = brand_parameters_doc(&template, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let template = campaign_parameters_form_template_doc(&parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(None);
+        let (sk, kid) = create_dummy_admin_key_pair();
         provider.add_sk(kid.clone(), sk.clone());
 
         let template_ref = template.doc_ref()?;
diff --git a/rust/signed_doc/tests/campaign_parameters_form_template.rs b/rust/signed_doc/tests/campaign_parameters_form_template.rs
index 350326d73e..87b0b08303 100644
--- a/rust/signed_doc/tests/campaign_parameters_form_template.rs
+++ b/rust/signed_doc/tests/campaign_parameters_form_template.rs
@@ -1,18 +1,18 @@
 //! Integration test for campaign parameters form template document validation part.
 //! <https://docs.dev.projectcatalyst.io/libs/main/architecture/08_concepts/signed_doc/docs/campaign_parameters_form_template>
 
-use catalyst_signed_doc::{providers::tests::TestCatalystProvider, *};
+use catalyst_signed_doc::{
+    providers::tests::TestCatalystProvider,
+    tests_utils::{
+        brand_parameters_doc, brand_parameters_form_template_doc,
+        campaign_parameters_form_template_doc, create_dummy_admin_key_pair, create_dummy_key_pair,
+    },
+    *,
+};
 use catalyst_types::catalyst_id::role_index::RoleId;
 use ed25519_dalek::ed25519::signature::Signer;
 use test_case::test_case;
 
-use crate::common::{
-    brand_parameters_doc, brand_parameters_form_template_doc,
-    campaign_parameters_form_template_doc, create_dummy_key_pair,
-};
-
-mod common;
-
 #[test_case(
     |provider| {
         let template = brand_parameters_form_template_doc(provider).inspect(|v| provider.add_document(v).unwrap())?;
@@ -28,7 +28,7 @@ mod common;
         let template = brand_parameters_form_template_doc(provider).inspect(|v| provider.add_document(v).unwrap())?;
         let parameters = brand_parameters_doc(&template, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(Some(RoleId::Role0));
+        let (sk, kid) = create_dummy_key_pair(RoleId::Role0);
         provider.add_sk(kid.clone(), sk.clone());
 
         let parameters_ref = parameters.doc_ref()?;
@@ -55,7 +55,7 @@ mod common;
         let template = brand_parameters_form_template_doc(provider).inspect(|v| provider.add_document(v).unwrap())?;
         let parameters = brand_parameters_doc(&template, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(None);
+        let (sk, kid) = create_dummy_admin_key_pair();
         provider.add_sk(kid.clone(), sk.clone());
 
         let parameters_ref = parameters.doc_ref()?;
@@ -82,7 +82,7 @@ mod common;
         let template = brand_parameters_form_template_doc(provider).inspect(|v| provider.add_document(v).unwrap())?;
         let parameters = brand_parameters_doc(&template, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(None);
+        let (sk, kid) = create_dummy_admin_key_pair();
         provider.add_sk(kid.clone(), sk.clone());
 
         let parameters_ref = parameters.doc_ref()?;
@@ -106,7 +106,7 @@ mod common;
 #[test_case(
     |provider| {
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(None);
+        let (sk, kid) = create_dummy_admin_key_pair();
         provider.add_sk(kid.clone(), sk.clone());
         Builder::new()
             .with_json_metadata(serde_json::json!({
diff --git a/rust/signed_doc/tests/category_parameters.rs b/rust/signed_doc/tests/category_parameters.rs
index 41cdf4433d..b1e54ba515 100644
--- a/rust/signed_doc/tests/category_parameters.rs
+++ b/rust/signed_doc/tests/category_parameters.rs
@@ -1,19 +1,19 @@
 //! Integration test for category parameters document validation part.
 //! <https://docs.dev.projectcatalyst.io/libs/main/architecture/08_concepts/signed_doc/docs/category_parameters>
 
-use catalyst_signed_doc::{providers::tests::TestCatalystProvider, *};
+use catalyst_signed_doc::{
+    providers::tests::TestCatalystProvider,
+    tests_utils::{
+        brand_parameters_doc, brand_parameters_form_template_doc, campaign_parameters_doc,
+        campaign_parameters_form_template_doc, category_parameters_doc,
+        category_parameters_form_template_doc, create_dummy_admin_key_pair, create_dummy_key_pair,
+    },
+    *,
+};
 use catalyst_types::catalyst_id::role_index::RoleId;
 use ed25519_dalek::ed25519::signature::Signer;
 use test_case::test_case;
 
-use crate::common::{
-    brand_parameters_doc, brand_parameters_form_template_doc, campaign_parameters_doc,
-    campaign_parameters_form_template_doc, category_parameters_doc,
-    category_parameters_form_template_doc, create_dummy_key_pair,
-};
-
-mod common;
-
 #[test_case(
     |provider| {
         let template = brand_parameters_form_template_doc(provider).inspect(|v| provider.add_document(v).unwrap())?;
@@ -35,7 +35,7 @@ mod common;
         let parameters = campaign_parameters_doc(&template, &parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let template = category_parameters_form_template_doc(&parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(Some(RoleId::Role0));
+        let (sk, kid) = create_dummy_key_pair(RoleId::Role0);
         provider.add_sk(kid.clone(), sk.clone());
 
         let template_ref = template.doc_ref()?;
@@ -67,7 +67,7 @@ mod common;
         let parameters = campaign_parameters_doc(&template, &parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let template = category_parameters_form_template_doc(&parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(None);
+        let (sk, kid) = create_dummy_admin_key_pair();
         provider.add_sk(kid.clone(), sk.clone());
 
         let template_ref = template.doc_ref()?;
@@ -99,7 +99,7 @@ mod common;
         let parameters = campaign_parameters_doc(&template, &parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let template = category_parameters_form_template_doc(&parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(None);
+        let (sk, kid) = create_dummy_admin_key_pair();
         provider.add_sk(kid.clone(), sk.clone());
 
         let template_ref = template.doc_ref()?;
@@ -129,7 +129,7 @@ mod common;
         let template = campaign_parameters_form_template_doc(&parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let parameters = campaign_parameters_doc(&template, &parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(None);
+        let (sk, kid) = create_dummy_admin_key_pair();
         provider.add_sk(kid.clone(), sk.clone());
 
         let parameters_ref = parameters.doc_ref()?;
@@ -159,7 +159,7 @@ mod common;
         let parameters = campaign_parameters_doc(&template, &parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let template = category_parameters_form_template_doc(&parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(None);
+        let (sk, kid) = create_dummy_admin_key_pair();
         provider.add_sk(kid.clone(), sk.clone());
 
         let template_ref = template.doc_ref()?;
diff --git a/rust/signed_doc/tests/category_parameters_form_template.rs b/rust/signed_doc/tests/category_parameters_form_template.rs
index c50dcea629..4a086d10e9 100644
--- a/rust/signed_doc/tests/category_parameters_form_template.rs
+++ b/rust/signed_doc/tests/category_parameters_form_template.rs
@@ -1,19 +1,19 @@
 //! Integration test for category parameters form template document validation part.
 //! <https://docs.dev.projectcatalyst.io/libs/main/architecture/08_concepts/signed_doc/docs/category_parameters_form_template>
 
-use catalyst_signed_doc::{providers::tests::TestCatalystProvider, *};
+use catalyst_signed_doc::{
+    providers::tests::TestCatalystProvider,
+    tests_utils::{
+        brand_parameters_doc, brand_parameters_form_template_doc, campaign_parameters_doc,
+        campaign_parameters_form_template_doc, category_parameters_form_template_doc,
+        create_dummy_admin_key_pair, create_dummy_key_pair,
+    },
+    *,
+};
 use catalyst_types::catalyst_id::role_index::RoleId;
 use ed25519_dalek::ed25519::signature::Signer;
 use test_case::test_case;
 
-use crate::common::{
-    brand_parameters_doc, brand_parameters_form_template_doc, campaign_parameters_doc,
-    campaign_parameters_form_template_doc, category_parameters_form_template_doc,
-    create_dummy_key_pair,
-};
-
-mod common;
-
 #[test_case(
     |provider| {
         let template = brand_parameters_form_template_doc(provider).inspect(|v| provider.add_document(v).unwrap())?;
@@ -33,7 +33,7 @@ mod common;
         let template = campaign_parameters_form_template_doc(&parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let parameters = campaign_parameters_doc(&parameters, &template, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(Some(RoleId::Role0));
+        let (sk, kid) = create_dummy_key_pair(RoleId::Role0);
         provider.add_sk(kid.clone(), sk.clone());
 
         let parameters_ref = parameters.doc_ref()?;
@@ -62,7 +62,7 @@ mod common;
         let template = campaign_parameters_form_template_doc(&parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let parameters = campaign_parameters_doc(&parameters, &template, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(None);
+        let (sk, kid) = create_dummy_admin_key_pair();
         provider.add_sk(kid.clone(), sk.clone());
 
         let parameters_ref = parameters.doc_ref()?;
@@ -91,7 +91,7 @@ mod common;
         let template = campaign_parameters_form_template_doc(&parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let parameters = campaign_parameters_doc(&parameters, &template, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(None);
+        let (sk, kid) = create_dummy_admin_key_pair();
         provider.add_sk(kid.clone(), sk.clone());
 
         let parameters_ref = parameters.doc_ref()?;
@@ -115,7 +115,7 @@ mod common;
 #[test_case(
     |provider| {
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(None);
+        let (sk, kid) = create_dummy_admin_key_pair();
          provider.add_sk(kid.clone(), sk.clone());
         Builder::new()
             .with_json_metadata(serde_json::json!({
diff --git a/rust/signed_doc/tests/contest_ballot.rs b/rust/signed_doc/tests/contest_ballot.rs
index a81a522541..750c19b5d4 100644
--- a/rust/signed_doc/tests/contest_ballot.rs
+++ b/rust/signed_doc/tests/contest_ballot.rs
@@ -1,21 +1,21 @@
 //! Integration test for contest ballot document validation part.
 //! <https://docs.dev.projectcatalyst.io/libs/main/architecture/08_concepts/signed_doc/docs/contest_ballot>
 
-use catalyst_signed_doc::{providers::tests::TestCatalystProvider, *};
+use catalyst_signed_doc::{
+    providers::tests::TestCatalystProvider,
+    tests_utils::{
+        brand_parameters_doc, brand_parameters_form_template_doc, campaign_parameters_doc,
+        campaign_parameters_form_template_doc, category_parameters_doc,
+        category_parameters_form_template_doc, contest_ballot_doc, contest_parameters_doc,
+        contest_parameters_form_template_doc, create_dummy_admin_key_pair, create_dummy_key_pair,
+        proposal_doc, proposal_form_template_doc,
+    },
+    *,
+};
 use catalyst_types::catalyst_id::role_index::RoleId;
 use ed25519_dalek::ed25519::signature::Signer;
 use test_case::test_case;
 
-use crate::common::{
-    brand_parameters_doc, brand_parameters_form_template_doc, campaign_parameters_doc,
-    campaign_parameters_form_template_doc, category_parameters_doc,
-    category_parameters_form_template_doc, contest_ballot_doc, contest_parameters_doc,
-    contest_parameters_form_template_doc, create_dummy_key_pair, proposal_doc,
-    proposal_form_template_doc,
-};
-
-mod common;
-
 #[test_case(
     |provider| {
         let brand = brand_parameters_form_template_doc(provider).inspect(|v| provider.add_document(v).unwrap())?;
@@ -73,7 +73,7 @@ mod common;
         let template = proposal_form_template_doc(&parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let proposal = proposal_doc(&template, &parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(Some(RoleId::Proposer));
+        let (sk, kid) = create_dummy_key_pair(RoleId::Proposer);
         provider.add_sk(kid.clone(), sk.clone());
 
         let parameters_ref = parameters.doc_ref()?;
@@ -106,7 +106,7 @@ mod common;
         let template = proposal_form_template_doc(&parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let proposal = proposal_doc(&template, &parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(None);
+        let (sk, kid) = create_dummy_admin_key_pair();
         provider.add_sk(kid.clone(), sk.clone());
 
         let parameters_ref = parameters.doc_ref()?;
@@ -139,7 +139,7 @@ mod common;
         let template = proposal_form_template_doc(&parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let proposal = proposal_doc(&template, &parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(None);
+        let (sk, kid) = create_dummy_admin_key_pair();
         provider.add_sk(kid.clone(), sk.clone());
 
         let parameters_ref = parameters.doc_ref()?;
@@ -169,7 +169,7 @@ mod common;
         let template = contest_parameters_form_template_doc(&brand, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let parameters = contest_parameters_doc(&template, &brand, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(None);
+        let (sk, kid) = create_dummy_admin_key_pair();
         provider.add_sk(kid.clone(), sk.clone());
 
         let parameters_ref = parameters.doc_ref()?;
@@ -199,7 +199,7 @@ mod common;
         let proposal = proposal_doc(&template, &brand, provider).inspect(|v| provider.add_document(v).unwrap())?;
 
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(None);
+        let (sk, kid) = create_dummy_admin_key_pair();
         provider.add_sk(kid.clone(), sk.clone());
 
         let ref_ref = proposal.doc_ref()?;
diff --git a/rust/signed_doc/tests/contest_ballot_checkpoint.rs b/rust/signed_doc/tests/contest_ballot_checkpoint.rs
index 43096e4ccd..3803246bbd 100644
--- a/rust/signed_doc/tests/contest_ballot_checkpoint.rs
+++ b/rust/signed_doc/tests/contest_ballot_checkpoint.rs
@@ -1,21 +1,21 @@
 //! Integration test for contest ballot checkpoint document validation part.
 //! <https://docs.dev.projectcatalyst.io/libs/main/architecture/08_concepts/signed_doc/docs/contest_ballot_checkpoint>
 
-use catalyst_signed_doc::{providers::tests::TestCatalystProvider, *};
+use catalyst_signed_doc::{
+    providers::tests::TestCatalystProvider,
+    tests_utils::{
+        brand_parameters_doc, brand_parameters_form_template_doc, campaign_parameters_doc,
+        campaign_parameters_form_template_doc, category_parameters_doc,
+        category_parameters_form_template_doc, contest_ballot_checkpoint_doc, contest_ballot_doc,
+        contest_parameters_doc, contest_parameters_form_template_doc, create_dummy_admin_key_pair,
+        create_dummy_key_pair, proposal_doc, proposal_form_template_doc,
+    },
+    *,
+};
 use catalyst_types::catalyst_id::role_index::RoleId;
 use ed25519_dalek::ed25519::signature::Signer;
 use test_case::test_case;
 
-use crate::common::{
-    brand_parameters_doc, brand_parameters_form_template_doc, campaign_parameters_doc,
-    campaign_parameters_form_template_doc, category_parameters_doc,
-    category_parameters_form_template_doc, contest_ballot_checkpoint_doc, contest_ballot_doc,
-    contest_parameters_doc, contest_parameters_form_template_doc, create_dummy_key_pair,
-    proposal_doc, proposal_form_template_doc,
-};
-
-mod common;
-
 #[test_case(
     |provider| {
         let brand = brand_parameters_form_template_doc(provider).inspect(|v| provider.add_document(v).unwrap())?;
@@ -77,7 +77,7 @@ mod common;
         let proposal = proposal_doc(&template, &parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let linked_doc = contest_ballot_doc(&proposal, &parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(Some(RoleId::Role0));
+        let (sk, kid) = create_dummy_key_pair(RoleId::Role0);
         provider.add_sk(kid.clone(), sk.clone());
 
         let linked_ref = linked_doc.doc_ref()?;
@@ -113,7 +113,7 @@ mod common;
         let proposal = proposal_doc(&template, &parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let linked_doc = contest_ballot_doc(&proposal, &parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(None);
+        let (sk, kid) = create_dummy_admin_key_pair();
         provider.add_sk(kid.clone(), sk.clone());
 
         let linked_ref = linked_doc.doc_ref()?;
@@ -149,7 +149,7 @@ mod common;
         let proposal = proposal_doc(&template, &parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let linked_doc = contest_ballot_doc(&proposal, &parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(None);
+        let (sk, kid) = create_dummy_admin_key_pair();
         provider.add_sk(kid.clone(), sk.clone());
 
         let linked_ref = linked_doc.doc_ref()?;
@@ -184,7 +184,7 @@ mod common;
         let proposal = proposal_doc(&template, &parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let linked_doc = contest_ballot_doc(&proposal, &parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(None);
+        let (sk, kid) = create_dummy_admin_key_pair();
         provider.add_sk(kid.clone(), sk.clone());
 
         let linked_ref = linked_doc.doc_ref()?;
@@ -215,7 +215,7 @@ mod common;
         let template = contest_parameters_form_template_doc(&brand, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let parameters = contest_parameters_doc(&template, &brand, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(None);
+        let (sk, kid) = create_dummy_admin_key_pair();
         provider.add_sk(kid.clone(), sk.clone());
 
         let parameters_ref = parameters.doc_ref()?;
@@ -249,7 +249,7 @@ mod common;
         let proposal = proposal_doc(&template, &parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let linked_doc = contest_ballot_doc(&proposal, &parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(None);
+        let (sk, kid) = create_dummy_admin_key_pair();
         provider.add_sk(kid.clone(), sk.clone());
 
         let linked_ref = linked_doc.doc_ref()?;
diff --git a/rust/signed_doc/tests/contest_delegation.rs b/rust/signed_doc/tests/contest_delegation.rs
index 8cebb36895..2be5a4c0ea 100644
--- a/rust/signed_doc/tests/contest_delegation.rs
+++ b/rust/signed_doc/tests/contest_delegation.rs
@@ -1,20 +1,20 @@
 //! Integration test for contest delegation document validation part.
 //! <https://docs.dev.projectcatalyst.io/libs/main/architecture/08_concepts/signed_doc/docs/contest_delegation>
 
-use catalyst_signed_doc::{providers::tests::TestCatalystProvider, *};
+use catalyst_signed_doc::{
+    providers::tests::TestCatalystProvider,
+    tests_utils::{
+        brand_parameters_doc, brand_parameters_form_template_doc, contest_delegation_doc,
+        contest_parameters_doc, contest_parameters_form_template_doc, create_dummy_key_pair,
+        rep_nomination_doc, rep_nomination_form_template_doc, rep_profile_doc,
+        rep_profile_form_template_doc,
+    },
+    *,
+};
 use catalyst_types::catalyst_id::role_index::RoleId;
 use ed25519_dalek::ed25519::signature::Signer;
 use test_case::test_case;
 
-use crate::common::{
-    brand_parameters_doc, brand_parameters_form_template_doc, contest_delegation_doc,
-    contest_parameters_doc, contest_parameters_form_template_doc, create_dummy_key_pair,
-    rep_nomination_doc, rep_nomination_form_template_doc, rep_profile_doc,
-    rep_profile_form_template_doc,
-};
-
-mod common;
-
 #[test_case(
     |provider| {
         let template = brand_parameters_form_template_doc(provider).inspect(|v| provider.add_document(v).unwrap())?;
@@ -42,7 +42,7 @@ mod common;
         let template = rep_nomination_form_template_doc(&contest, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let rep_nomination = rep_nomination_doc(&template, &rep_profile, &contest, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(Some(RoleId::Proposer));
+        let (sk, kid) = create_dummy_key_pair(RoleId::Proposer);
         provider.add_sk(kid.clone(), sk.clone());
 
         let parameters_ref = contest.doc_ref()?;
@@ -77,7 +77,7 @@ mod common;
         let template = rep_nomination_form_template_doc(&contest, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let rep_nomination = rep_nomination_doc(&template, &rep_profile, &contest, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(Some(RoleId::Role0));
+        let (sk, kid) = create_dummy_key_pair(RoleId::Role0);
         provider.add_sk(kid.clone(), sk.clone());
 
         let parameters_ref = contest.doc_ref()?;
@@ -112,7 +112,7 @@ mod common;
         let template = rep_nomination_form_template_doc(&contest, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let rep_nomination = rep_nomination_doc(&template, &rep_profile, &contest, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(Some(RoleId::Role0));
+        let (sk, kid) = create_dummy_key_pair(RoleId::Role0);
         provider.add_sk(kid.clone(), sk.clone());
 
         let parameters_ref = contest.doc_ref()?;
@@ -142,7 +142,7 @@ mod common;
         let template = contest_parameters_form_template_doc(&brand, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let contest = contest_parameters_doc(&template, &brand, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(Some(RoleId::Role0));
+        let (sk, kid) = create_dummy_key_pair(RoleId::Role0);
         provider.add_sk(kid.clone(), sk.clone());
 
         let parameters_ref = contest.doc_ref()?;
@@ -175,7 +175,7 @@ mod common;
         let template = rep_nomination_form_template_doc(&contest, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let rep_nomination = rep_nomination_doc(&template, &rep_profile, &contest, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(Some(RoleId::Role0));
+        let (sk, kid) = create_dummy_key_pair(RoleId::Role0);
         provider.add_sk(kid.clone(), sk.clone());
 
         let ref_ref = rep_nomination.doc_ref()?;
diff --git a/rust/signed_doc/tests/contest_parameters.rs b/rust/signed_doc/tests/contest_parameters.rs
index 61a05330ba..9db3705d10 100644
--- a/rust/signed_doc/tests/contest_parameters.rs
+++ b/rust/signed_doc/tests/contest_parameters.rs
@@ -1,20 +1,20 @@
 //! Integration test for contest ballot document validation part.
 //! <https://docs.dev.projectcatalyst.io/libs/main/architecture/08_concepts/signed_doc/docs/contest_parameters>
 
-use catalyst_signed_doc::{providers::tests::TestCatalystProvider, *};
+use catalyst_signed_doc::{
+    providers::tests::TestCatalystProvider,
+    tests_utils::{
+        brand_parameters_doc, brand_parameters_form_template_doc, campaign_parameters_doc,
+        campaign_parameters_form_template_doc, category_parameters_doc,
+        category_parameters_form_template_doc, contest_parameters_doc,
+        contest_parameters_form_template_doc, create_dummy_admin_key_pair, create_dummy_key_pair,
+    },
+    *,
+};
 use catalyst_types::catalyst_id::role_index::RoleId;
 use ed25519_dalek::ed25519::signature::Signer;
 use test_case::test_case;
 
-use crate::common::{
-    brand_parameters_doc, brand_parameters_form_template_doc, campaign_parameters_doc,
-    campaign_parameters_form_template_doc, category_parameters_doc,
-    category_parameters_form_template_doc, contest_parameters_doc,
-    contest_parameters_form_template_doc, create_dummy_key_pair,
-};
-
-mod common;
-
 #[test_case(
     |provider| {
         let brand = brand_parameters_form_template_doc(provider).inspect(|v| provider.add_document(v).unwrap())?;
@@ -60,7 +60,7 @@ mod common;
         let parameters = brand_parameters_doc(&template, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let template = contest_parameters_form_template_doc(&parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(Some(RoleId::Role0));
+        let (sk, kid) = create_dummy_key_pair(RoleId::Role0);
         provider.add_sk(kid.clone(), sk.clone());
 
         let template_ref = template.doc_ref()?;
@@ -89,7 +89,7 @@ mod common;
         let template = brand_parameters_form_template_doc(provider).inspect(|v| provider.add_document(v).unwrap())?;
         let parameters = brand_parameters_doc(&template, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(None);
+        let (sk, kid) = create_dummy_admin_key_pair();
         provider.add_sk(kid.clone(), sk.clone());
 
         let template_ref = template.doc_ref()?;
@@ -119,7 +119,7 @@ mod common;
         let parameters = brand_parameters_doc(&template, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let template = contest_parameters_form_template_doc(&parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(None);
+        let (sk, kid) = create_dummy_admin_key_pair();
         provider.add_sk(kid.clone(), sk.clone());
 
         let template_ref = template.doc_ref()?;
@@ -148,7 +148,7 @@ mod common;
         let parameters = brand_parameters_doc(&template, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let template = contest_parameters_form_template_doc(&parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(None);
+        let (sk, kid) = create_dummy_admin_key_pair();
         provider.add_sk(kid.clone(), sk.clone());
 
         let template_ref = template.doc_ref()?;
@@ -175,7 +175,7 @@ mod common;
         let template = brand_parameters_form_template_doc(provider).inspect(|v| provider.add_document(v).unwrap())?;
         let parameters = brand_parameters_doc(&template, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(None);
+        let (sk, kid) = create_dummy_admin_key_pair();
         provider.add_sk(kid.clone(), sk.clone());
 
         let parameters_ref = parameters.doc_ref()?;
diff --git a/rust/signed_doc/tests/contest_parameters_form_template.rs b/rust/signed_doc/tests/contest_parameters_form_template.rs
index 5b93d405db..1019f71c29 100644
--- a/rust/signed_doc/tests/contest_parameters_form_template.rs
+++ b/rust/signed_doc/tests/contest_parameters_form_template.rs
@@ -1,20 +1,20 @@
 //! Integration test for contest ballot document validation part.
 //! <https://docs.dev.projectcatalyst.io/libs/main/architecture/08_concepts/signed_doc/docs/contest_parameters_form_template>
 
-use catalyst_signed_doc::{providers::tests::TestCatalystProvider, *};
+use catalyst_signed_doc::{
+    providers::tests::TestCatalystProvider,
+    tests_utils::{
+        brand_parameters_doc, brand_parameters_form_template_doc, campaign_parameters_doc,
+        campaign_parameters_form_template_doc, category_parameters_doc,
+        category_parameters_form_template_doc, contest_parameters_form_template_doc,
+        create_dummy_admin_key_pair, create_dummy_key_pair,
+    },
+    *,
+};
 use catalyst_types::catalyst_id::role_index::RoleId;
 use ed25519_dalek::ed25519::signature::Signer;
 use test_case::test_case;
 
-use crate::common::{
-    brand_parameters_doc, brand_parameters_form_template_doc, campaign_parameters_doc,
-    campaign_parameters_form_template_doc, category_parameters_doc,
-    category_parameters_form_template_doc, contest_parameters_form_template_doc,
-    create_dummy_key_pair,
-};
-
-mod common;
-
 #[test_case(
     |provider| {
         let template = brand_parameters_form_template_doc(provider).inspect(|v| provider.add_document(v).unwrap())?;
@@ -56,7 +56,7 @@ mod common;
         let template = brand_parameters_form_template_doc(provider).inspect(|v| provider.add_document(v).unwrap())?;
         let parameters = brand_parameters_doc(&template, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(Some(RoleId::Role0));
+        let (sk, kid) = create_dummy_key_pair(RoleId::Role0);
         provider.add_sk(kid.clone(), sk.clone());
 
         let parameters_ref = parameters.doc_ref()?;
@@ -83,7 +83,7 @@ mod common;
         let template = brand_parameters_form_template_doc(provider).inspect(|v| provider.add_document(v).unwrap())?;
         let parameters = brand_parameters_doc(&template, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(None);
+        let (sk, kid) = create_dummy_admin_key_pair();
         provider.add_sk(kid.clone(), sk.clone());
 
         let parameters_ref = parameters.doc_ref()?;
@@ -110,7 +110,7 @@ mod common;
         let template = brand_parameters_form_template_doc(provider).inspect(|v| provider.add_document(v).unwrap())?;
         let parameters = brand_parameters_doc(&template, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(None);
+        let (sk, kid) = create_dummy_admin_key_pair();
         provider.add_sk(kid.clone(), sk.clone());
 
         let parameters_ref = parameters.doc_ref()?;
@@ -134,7 +134,7 @@ mod common;
 #[test_case(
     |provider| {
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(None);
+        let (sk, kid) = create_dummy_admin_key_pair();
         provider.add_sk(kid.clone(), sk.clone());
         Builder::new()
             .with_json_metadata(serde_json::json!({
diff --git a/rust/signed_doc/tests/decoding.rs b/rust/signed_doc/tests/decoding.rs
index 813ab5a390..6fb8c14e47 100644
--- a/rust/signed_doc/tests/decoding.rs
+++ b/rust/signed_doc/tests/decoding.rs
@@ -1,15 +1,14 @@
 //! Integration test for COSE decoding part.
 
-use catalyst_signed_doc::{decode_context::CompatibilityPolicy, *};
+use catalyst_signed_doc::{
+    decode_context::CompatibilityPolicy,
+    tests_utils::{create_dummy_doc_ref, create_dummy_key_pair},
+    *,
+};
 use catalyst_types::catalyst_id::role_index::RoleId;
-use common::create_dummy_key_pair;
 use minicbor::{Decode, Encoder, data::Tag};
 use rand::Rng;
 
-use crate::common::create_dummy_doc_ref;
-
-mod common;
-
 type PostCheck = dyn Fn(&CatalystSignedDocument) -> anyhow::Result<()>;
 
 struct TestCase {
@@ -24,6 +23,7 @@ struct TestCase {
     post_checks: Option<Box<PostCheck>>,
 }
 
+#[allow(clippy::unwrap_used)]
 fn signed_doc_deprecated_doc_ref_case(field_name: &'static str) -> TestCase {
     let uuid_v7 = uuid::UuidV7::new();
     let doc_type = DocType::from(uuid::UuidV4::new());
@@ -81,6 +81,7 @@ fn signed_doc_deprecated_doc_ref_case(field_name: &'static str) -> TestCase {
     }
 }
 
+#[allow(clippy::unwrap_used)]
 fn signed_doc_with_valid_alias_case(alias: &'static str) -> TestCase {
     let uuid_v7 = uuid::UuidV7::new();
     let doc_type = DocType::from(uuid::UuidV4::new());
@@ -525,7 +526,7 @@ fn signed_doc_with_minimal_metadata_fields_case() -> TestCase {
         bytes_gen: Box::new({
             let doc_type = doc_type.clone();
             move || {
-                let (_, kid) = create_dummy_key_pair(Some(RoleId::Role0));
+                let (_, kid) = create_dummy_key_pair(RoleId::Role0);
 
                 let mut e = Encoder::new(Vec::new());
                 e.tag(Tag::new(98))?;
@@ -585,6 +586,7 @@ fn signed_doc_with_minimal_metadata_fields_case() -> TestCase {
     }
 }
 
+#[allow(clippy::unwrap_used)]
 fn signed_doc_with_complete_metadata_fields_case() -> TestCase {
     let uuid_v7 = uuid::UuidV7::new();
     let doc_type = DocType::from(uuid::UuidV4::new());
@@ -596,7 +598,7 @@ fn signed_doc_with_complete_metadata_fields_case() -> TestCase {
             let doc_type = doc_type.clone();
             let doc_ref = doc_ref.clone();
             move || {
-                let (_, kid) = create_dummy_key_pair(Some(RoleId::Role0));
+                let (_, kid) = create_dummy_key_pair(RoleId::Role0);
 
                 let mut e = Encoder::new(Vec::new());
                 e.tag(Tag::new(98))?;
@@ -971,7 +973,7 @@ fn signed_doc_with_signatures_non_empty_unprotected_headers() -> TestCase {
         name: "Catalyst Signed Doc with signatures non empty unprotected headers".to_string(),
         bytes_gen: Box::new({
             move || {
-                let (_, kid) = create_dummy_key_pair(Some(RoleId::Role0));
+                let (_, kid) = create_dummy_key_pair(RoleId::Role0);
 
                 let mut e = Encoder::new(Vec::new());
                 e.tag(Tag::new(98))?;
@@ -1024,7 +1026,7 @@ fn signed_doc_with_strict_deterministic_decoding_wrong_order() -> TestCase {
         name: "Catalyst Signed Doc with minimally defined metadata fields, with enabled strictly decoded rules, metadata field in the wrong order".to_string(),
         bytes_gen: Box::new({
             move || {
-                let (_, kid) = create_dummy_key_pair(Some(RoleId::Role0));
+                let (_, kid) = create_dummy_key_pair(RoleId::Role0);
 
                 let mut e = Encoder::new(Vec::new());
                 e.tag(Tag::new(98))?;
@@ -1079,7 +1081,7 @@ fn signed_doc_with_non_strict_deterministic_decoding_wrong_order() -> TestCase {
         bytes_gen: Box::new({
             let doc_type = doc_type.clone();
             move || {
-                let (_, kid) = create_dummy_key_pair(Some(RoleId::Role0));
+                let (_, kid) = create_dummy_key_pair(RoleId::Role0);
 
                 let mut e = Encoder::new(Vec::new());
                 e.tag(Tag::new(98))?;
@@ -1207,7 +1209,7 @@ fn signed_doc_with_kid_in_id_form_invalid() -> TestCase {
         bytes_gen: Box::new({
             let doc_type = doc_type.clone();
             move || {
-                let (_, kid) = create_dummy_key_pair(Some(RoleId::Role0));
+                let (_, kid) = create_dummy_key_pair(RoleId::Role0);
 
                 let mut e = Encoder::new(Vec::new());
                 e.tag(Tag::new(98))?;
@@ -1275,7 +1277,7 @@ fn signed_doc_with_non_supported_protected_signature_header_invalid() -> TestCas
             .to_string(),
         bytes_gen: Box::new({
             move || {
-                let (_, kid) = create_dummy_key_pair(Some(RoleId::Role0));
+                let (_, kid) = create_dummy_key_pair(RoleId::Role0);
 
                 let mut e = Encoder::new(Vec::new());
                 e.tag(Tag::new(98))?;
diff --git a/rust/signed_doc/tests/proposal.rs b/rust/signed_doc/tests/proposal.rs
index 0c1bb19aa5..484e9b8eb0 100644
--- a/rust/signed_doc/tests/proposal.rs
+++ b/rust/signed_doc/tests/proposal.rs
@@ -2,20 +2,20 @@
 //! Require fields: type, id, ver, template, parameters
 //! <https://docs.dev.projectcatalyst.io/libs/main/architecture/08_concepts/signed_doc/docs/proposal>
 
-use catalyst_signed_doc::{providers::tests::TestCatalystProvider, *};
+use catalyst_signed_doc::{
+    providers::tests::TestCatalystProvider,
+    tests_utils::{
+        brand_parameters_doc, brand_parameters_form_template_doc, campaign_parameters_doc,
+        campaign_parameters_form_template_doc, category_parameters_doc,
+        category_parameters_form_template_doc, create_dummy_key_pair, proposal_doc,
+        proposal_form_template_doc,
+    },
+    *,
+};
 use catalyst_types::catalyst_id::role_index::RoleId;
 use ed25519_dalek::ed25519::signature::Signer;
 use test_case::test_case;
 
-use crate::common::{
-    brand_parameters_doc, brand_parameters_form_template_doc, campaign_parameters_doc,
-    campaign_parameters_form_template_doc, category_parameters_doc,
-    category_parameters_form_template_doc, create_dummy_key_pair, proposal_doc,
-    proposal_form_template_doc,
-};
-
-mod common;
-
 #[test_case(
     |provider| {
         let template = brand_parameters_form_template_doc(provider).inspect(|v| provider.add_document(v).unwrap())?;
@@ -61,7 +61,7 @@ mod common;
         let parameters = brand_parameters_doc(&template, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let template = proposal_form_template_doc(&parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(Some(RoleId::Role0));
+        let (sk, kid) = create_dummy_key_pair(RoleId::Role0);
         provider.add_sk(kid.clone(), sk.clone());
 
         let template_ref = template.doc_ref()?;
@@ -91,7 +91,7 @@ mod common;
         let parameters = brand_parameters_doc(&template, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let template = proposal_form_template_doc(&parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(Some(RoleId::Proposer));
+        let (sk, kid) = create_dummy_key_pair(RoleId::Proposer);
         provider.add_sk(kid.clone(), sk.clone());
 
         let template_ref = template.doc_ref()?;
@@ -121,7 +121,7 @@ mod common;
         let parameters = brand_parameters_doc(&template, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let template = proposal_form_template_doc(&parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(Some(RoleId::Proposer));
+        let (sk, kid) = create_dummy_key_pair(RoleId::Proposer);
         provider.add_sk(kid.clone(), sk.clone());
 
         let template_ref = template.doc_ref()?;
@@ -149,7 +149,7 @@ mod common;
         let template = brand_parameters_form_template_doc(provider).inspect(|v| provider.add_document(v).unwrap())?;
         let parameters = brand_parameters_doc(&template, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(Some(RoleId::Proposer));
+        let (sk, kid) = create_dummy_key_pair(RoleId::Proposer);
         provider.add_sk(kid.clone(), sk.clone());
 
         let parameters_ref = parameters.doc_ref()?;
@@ -177,7 +177,7 @@ mod common;
         let parameters = brand_parameters_doc(&template, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let template = proposal_form_template_doc(&parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(Some(RoleId::Proposer));
+        let (sk, kid) = create_dummy_key_pair(RoleId::Proposer);
         provider.add_sk(kid.clone(), sk.clone());
 
         let template_ref = template.doc_ref()?;
diff --git a/rust/signed_doc/tests/proposal_comment.rs b/rust/signed_doc/tests/proposal_comment.rs
index ee1c070034..8b5c1a2385 100644
--- a/rust/signed_doc/tests/proposal_comment.rs
+++ b/rust/signed_doc/tests/proposal_comment.rs
@@ -2,20 +2,20 @@
 //! Require fields: type, id, ver, ref, template, parameters
 //! <https://docs.dev.projectcatalyst.io/libs/main/architecture/08_concepts/signed_doc/docs/proposal_comment>
 
-use catalyst_signed_doc::{providers::tests::TestCatalystProvider, *};
+use catalyst_signed_doc::{
+    providers::tests::TestCatalystProvider,
+    tests_utils::{
+        brand_parameters_doc, brand_parameters_form_template_doc, campaign_parameters_doc,
+        campaign_parameters_form_template_doc, category_parameters_doc,
+        category_parameters_form_template_doc, create_dummy_key_pair, proposal_comment_doc,
+        proposal_comment_form_template_doc, proposal_doc, proposal_form_template_doc,
+    },
+    *,
+};
 use catalyst_types::catalyst_id::role_index::RoleId;
 use ed25519_dalek::ed25519::signature::Signer;
 use test_case::test_case;
 
-use crate::common::{
-    brand_parameters_doc, brand_parameters_form_template_doc, campaign_parameters_doc,
-    campaign_parameters_form_template_doc, category_parameters_doc,
-    category_parameters_form_template_doc, create_dummy_key_pair, proposal_comment_doc,
-    proposal_comment_form_template_doc, proposal_doc, proposal_form_template_doc,
-};
-
-mod common;
-
 #[test_case(
     |provider| {
         let template = brand_parameters_form_template_doc(provider).inspect(|v| provider.add_document(v).unwrap())?;
@@ -70,7 +70,7 @@ mod common;
         let template = proposal_comment_form_template_doc(&parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let comment = proposal_comment_doc(&proposal, &template, &parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(Some(RoleId::Role0));
+        let (sk, kid) = create_dummy_key_pair(RoleId::Role0);
         provider.add_sk(kid.clone(), sk.clone());
 
         let proposal_ref = proposal.doc_ref()?;
@@ -106,7 +106,7 @@ mod common;
         let proposal = proposal_doc(&template, &parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let template = proposal_comment_form_template_doc(&parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(Some(RoleId::Proposer));
+        let (sk, kid) = create_dummy_key_pair(RoleId::Proposer);
         provider.add_sk(kid.clone(), sk.clone());
 
         let proposal_ref = proposal.doc_ref()?;
@@ -140,7 +140,7 @@ mod common;
         let proposal = proposal_doc(&template, &parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let template = proposal_comment_form_template_doc(&parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(Some(RoleId::Role0));
+        let (sk, kid) = create_dummy_key_pair(RoleId::Role0);
         provider.add_sk(kid.clone(), sk.clone());
 
         let proposal_ref = proposal.doc_ref()?;
@@ -175,7 +175,7 @@ mod common;
         let proposal = proposal_doc(&template, &parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let template = proposal_comment_form_template_doc(&parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(Some(RoleId::Role0));
+        let (sk, kid) = create_dummy_key_pair(RoleId::Role0);
         provider.add_sk(kid.clone(), sk.clone());
 
         let proposal_ref = proposal.doc_ref()?;
@@ -208,7 +208,7 @@ mod common;
         let template = proposal_form_template_doc(&parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let proposal = proposal_doc(&template, &parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(Some(RoleId::Role0));
+        let (sk, kid) = create_dummy_key_pair(RoleId::Role0);
         provider.add_sk(kid.clone(), sk.clone());
 
         let proposal_ref = proposal.doc_ref()?;
@@ -241,7 +241,7 @@ mod common;
         let proposal = proposal_doc(&template, &parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let template = proposal_comment_form_template_doc(&parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(Some(RoleId::Role0));
+        let (sk, kid) = create_dummy_key_pair(RoleId::Role0);
         provider.add_sk(kid.clone(), sk.clone());
 
         let proposal_ref = proposal.doc_ref()?;
@@ -272,7 +272,7 @@ mod common;
         let parameters = brand_parameters_doc(&template, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let template = proposal_comment_form_template_doc(&parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(Some(RoleId::Role0));
+        let (sk, kid) = create_dummy_key_pair(RoleId::Role0);
         provider.add_sk(kid.clone(), sk.clone());
 
         let template_ref = template.doc_ref()?;
diff --git a/rust/signed_doc/tests/proposal_comment_form_template.rs b/rust/signed_doc/tests/proposal_comment_form_template.rs
index 5104231801..542ef65025 100644
--- a/rust/signed_doc/tests/proposal_comment_form_template.rs
+++ b/rust/signed_doc/tests/proposal_comment_form_template.rs
@@ -1,20 +1,20 @@
 //! Integration test for proposal comment form template document validation part.
 //! <https://docs.dev.projectcatalyst.io/libs/main/architecture/08_concepts/signed_doc/docs/proposal_comment_form_template/>
 
-use catalyst_signed_doc::{providers::tests::TestCatalystProvider, *};
+use catalyst_signed_doc::{
+    providers::tests::TestCatalystProvider,
+    tests_utils::{
+        brand_parameters_doc, brand_parameters_form_template_doc, campaign_parameters_doc,
+        campaign_parameters_form_template_doc, category_parameters_doc,
+        category_parameters_form_template_doc, create_dummy_admin_key_pair, create_dummy_key_pair,
+        proposal_comment_form_template_doc,
+    },
+    *,
+};
 use catalyst_types::catalyst_id::role_index::RoleId;
 use ed25519_dalek::ed25519::signature::Signer;
 use test_case::test_case;
 
-use crate::common::{
-    brand_parameters_doc, brand_parameters_form_template_doc, campaign_parameters_doc,
-    campaign_parameters_form_template_doc, category_parameters_doc,
-    category_parameters_form_template_doc, create_dummy_key_pair,
-    proposal_comment_form_template_doc,
-};
-
-mod common;
-
 #[test_case(
     |provider| {
         let template = brand_parameters_form_template_doc(provider).inspect(|v| provider.add_document(v).unwrap())?;
@@ -56,7 +56,7 @@ mod common;
         let template = brand_parameters_form_template_doc(provider).inspect(|v| provider.add_document(v).unwrap())?;
         let parameters = brand_parameters_doc(&template, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(Some(RoleId::Role0));
+        let (sk, kid) = create_dummy_key_pair(RoleId::Role0);
         provider.add_sk(kid.clone(), sk.clone());
 
         let parameters_ref = parameters.doc_ref()?;
@@ -83,7 +83,7 @@ mod common;
         let template = brand_parameters_form_template_doc(provider).inspect(|v| provider.add_document(v).unwrap())?;
         let parameters = brand_parameters_doc(&template, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(None);
+        let (sk, kid) = create_dummy_admin_key_pair();
         provider.add_sk(kid.clone(), sk.clone());
 
         let parameters_ref = parameters.doc_ref()?;
@@ -110,7 +110,7 @@ mod common;
         let template = brand_parameters_form_template_doc(provider).inspect(|v| provider.add_document(v).unwrap())?;
         let parameters = brand_parameters_doc(&template, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(None);
+        let (sk, kid) = create_dummy_admin_key_pair();
         provider.add_sk(kid.clone(), sk.clone());
 
         let parameters_ref = parameters.doc_ref()?;
@@ -134,7 +134,7 @@ mod common;
 #[test_case(
     |provider| {
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(None);
+        let (sk, kid) = create_dummy_admin_key_pair();
         provider.add_sk(kid.clone(), sk.clone());
         Builder::new()
             .with_json_metadata(serde_json::json!({
diff --git a/rust/signed_doc/tests/proposal_form_template.rs b/rust/signed_doc/tests/proposal_form_template.rs
index f88a4c62a1..247d123d4f 100644
--- a/rust/signed_doc/tests/proposal_form_template.rs
+++ b/rust/signed_doc/tests/proposal_form_template.rs
@@ -1,19 +1,20 @@
 //! Integration test for proposal form template document validation part.
 //! <https://docs.dev.projectcatalyst.io/libs/main/architecture/08_concepts/signed_doc/docs/proposal_form_template/>
 
-use catalyst_signed_doc::{providers::tests::TestCatalystProvider, *};
+use catalyst_signed_doc::{
+    providers::tests::TestCatalystProvider,
+    tests_utils::{
+        brand_parameters_doc, brand_parameters_form_template_doc, campaign_parameters_doc,
+        campaign_parameters_form_template_doc, category_parameters_doc,
+        category_parameters_form_template_doc, create_dummy_admin_key_pair, create_dummy_key_pair,
+        proposal_form_template_doc,
+    },
+    *,
+};
 use catalyst_types::catalyst_id::role_index::RoleId;
 use ed25519_dalek::ed25519::signature::Signer;
 use test_case::test_case;
 
-use crate::common::{
-    brand_parameters_doc, brand_parameters_form_template_doc, campaign_parameters_doc,
-    campaign_parameters_form_template_doc, category_parameters_doc,
-    category_parameters_form_template_doc, create_dummy_key_pair, proposal_form_template_doc,
-};
-
-mod common;
-
 #[test_case(
     |provider| {
         let template = brand_parameters_form_template_doc(provider).inspect(|v| provider.add_document(v).unwrap())?;
@@ -55,7 +56,7 @@ mod common;
         let template = brand_parameters_form_template_doc(provider).inspect(|v| provider.add_document(v).unwrap())?;
         let parameters = brand_parameters_doc(&template, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(Some(RoleId::Role0));
+        let (sk, kid) = create_dummy_key_pair(RoleId::Role0);
         provider.add_sk(kid.clone(), sk.clone());
 
         let parameters_ref = parameters.doc_ref()?;
@@ -82,7 +83,7 @@ mod common;
         let template = brand_parameters_form_template_doc(provider).inspect(|v| provider.add_document(v).unwrap())?;
         let parameters = brand_parameters_doc(&template, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(None);
+        let (sk, kid) = create_dummy_admin_key_pair();
         provider.add_sk(kid.clone(), sk.clone());
 
         let parameters_ref = parameters.doc_ref()?;
@@ -109,7 +110,7 @@ mod common;
         let template = brand_parameters_form_template_doc(provider).inspect(|v| provider.add_document(v).unwrap())?;
         let parameters = brand_parameters_doc(&template, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(None);
+        let (sk, kid) = create_dummy_admin_key_pair();
         provider.add_sk(kid.clone(), sk.clone());
 
         let parameters_ref = parameters.doc_ref()?;
@@ -133,7 +134,7 @@ mod common;
 #[test_case(
     |provider| {
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(None);
+        let (sk, kid) = create_dummy_admin_key_pair();
         provider.add_sk(kid.clone(), sk.clone());
         Builder::new()
             .with_json_metadata(serde_json::json!({
diff --git a/rust/signed_doc/tests/proposal_submission_action.rs b/rust/signed_doc/tests/proposal_submission_action.rs
index 7edfa235a4..eca711512a 100644
--- a/rust/signed_doc/tests/proposal_submission_action.rs
+++ b/rust/signed_doc/tests/proposal_submission_action.rs
@@ -2,20 +2,20 @@
 //! Require fields: type, id, ver, ref, parameters
 //! <https://docs.dev.projectcatalyst.io/libs/main/architecture/08_concepts/signed_doc/docs/proposal_submission_action/>
 
-use catalyst_signed_doc::{providers::tests::TestCatalystProvider, *};
+use catalyst_signed_doc::{
+    providers::tests::TestCatalystProvider,
+    tests_utils::{
+        brand_parameters_doc, brand_parameters_form_template_doc, campaign_parameters_doc,
+        campaign_parameters_form_template_doc, category_parameters_doc,
+        category_parameters_form_template_doc, create_dummy_key_pair, get_doc_kid_and_sk,
+        proposal_doc, proposal_form_template_doc, proposal_submission_action_doc,
+    },
+    *,
+};
 use catalyst_types::catalyst_id::role_index::RoleId;
 use ed25519_dalek::ed25519::signature::Signer;
 use test_case::test_case;
 
-use crate::common::{
-    brand_parameters_doc, brand_parameters_form_template_doc, campaign_parameters_doc,
-    campaign_parameters_form_template_doc, category_parameters_doc,
-    category_parameters_form_template_doc, create_dummy_key_pair, get_doc_kid_and_sk, proposal_doc,
-    proposal_form_template_doc, proposal_submission_action_doc,
-};
-
-mod common;
-
 #[test_case(
     |provider| {
         let template = brand_parameters_form_template_doc(provider).inspect(|v| provider.add_document(v).unwrap())?;
@@ -99,7 +99,7 @@ mod common;
         let template = proposal_form_template_doc(&parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let proposal = proposal_doc(&template, &parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(Some(RoleId::Proposer));
+        let (sk, kid) = create_dummy_key_pair(RoleId::Proposer);
         provider.add_sk(kid.clone(), sk.clone());
 
         let proposal_ref = proposal.doc_ref()?;
diff --git a/rust/signed_doc/tests/rep_nomination.rs b/rust/signed_doc/tests/rep_nomination.rs
index 4cb47f7a76..2acb0d6906 100644
--- a/rust/signed_doc/tests/rep_nomination.rs
+++ b/rust/signed_doc/tests/rep_nomination.rs
@@ -1,19 +1,19 @@
 //! Integration test for rep nomination document validation part.
 //! <https://docs.dev.projectcatalyst.io/libs/main/architecture/08_concepts/signed_doc/docs/brand_parameters>
 
-use catalyst_signed_doc::{providers::tests::TestCatalystProvider, *};
+use catalyst_signed_doc::{
+    providers::tests::TestCatalystProvider,
+    tests_utils::{
+        brand_parameters_doc, brand_parameters_form_template_doc, contest_parameters_doc,
+        contest_parameters_form_template_doc, create_dummy_key_pair, rep_nomination_doc,
+        rep_nomination_form_template_doc, rep_profile_doc, rep_profile_form_template_doc,
+    },
+    *,
+};
 use catalyst_types::catalyst_id::role_index::RoleId;
 use ed25519_dalek::ed25519::signature::Signer;
 use test_case::test_case;
 
-use crate::common::{
-    brand_parameters_doc, brand_parameters_form_template_doc, contest_parameters_doc,
-    contest_parameters_form_template_doc, create_dummy_key_pair, rep_nomination_doc,
-    rep_nomination_form_template_doc, rep_profile_doc, rep_profile_form_template_doc,
-};
-
-mod common;
-
 #[test_case(
     |provider| {
         let template = brand_parameters_form_template_doc(provider).inspect(|v| provider.add_document(v).unwrap())?;
@@ -39,7 +39,7 @@ mod common;
         let contest = contest_parameters_doc(&template, &brand, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let template = rep_nomination_form_template_doc(&contest, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(Some(RoleId::Role0));
+        let (sk, kid) = create_dummy_key_pair(RoleId::Role0);
         provider.add_sk(kid.clone(), sk.clone());
 
         let template_ref = template.doc_ref()?;
@@ -75,7 +75,7 @@ mod common;
         let contest = contest_parameters_doc(&template, &brand, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let template = rep_nomination_form_template_doc(&contest, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(Some(RoleId::DelegatedRepresentative));
+        let (sk, kid) = create_dummy_key_pair(RoleId::DelegatedRepresentative);
         provider.add_sk(kid.clone(), sk.clone());
 
         let template_ref = template.doc_ref()?;
@@ -111,7 +111,7 @@ mod common;
         let contest = contest_parameters_doc(&template, &brand, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let template = rep_nomination_form_template_doc(&contest, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(Some(RoleId::DelegatedRepresentative));
+        let (sk, kid) = create_dummy_key_pair(RoleId::DelegatedRepresentative);
         provider.add_sk(kid.clone(), sk.clone());
 
         let template_ref = template.doc_ref()?;
@@ -145,7 +145,7 @@ mod common;
         let template = contest_parameters_form_template_doc(&brand, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let contest = contest_parameters_doc(&template, &brand, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(Some(RoleId::DelegatedRepresentative));
+        let (sk, kid) = create_dummy_key_pair(RoleId::DelegatedRepresentative);
         provider.add_sk(kid.clone(), sk.clone());
 
         let ref_ref = rep_profile.doc_ref()?;
@@ -177,7 +177,7 @@ mod common;
         let contest = contest_parameters_doc(&template, &brand, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let template = rep_nomination_form_template_doc(&contest, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(Some(RoleId::DelegatedRepresentative));
+        let (sk, kid) = create_dummy_key_pair(RoleId::DelegatedRepresentative);
         provider.add_sk(kid.clone(), sk.clone());
 
         let template_ref = template.doc_ref()?;
@@ -211,7 +211,7 @@ mod common;
         let contest = contest_parameters_doc(&template, &brand, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let template = rep_nomination_form_template_doc(&contest, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(Some(RoleId::DelegatedRepresentative));
+        let (sk, kid) = create_dummy_key_pair(RoleId::DelegatedRepresentative);
         provider.add_sk(kid.clone(), sk.clone());
 
         let template_ref = template.doc_ref()?;
diff --git a/rust/signed_doc/tests/rep_nomination_form_template.rs b/rust/signed_doc/tests/rep_nomination_form_template.rs
index c980d52b7d..4aa2476254 100644
--- a/rust/signed_doc/tests/rep_nomination_form_template.rs
+++ b/rust/signed_doc/tests/rep_nomination_form_template.rs
@@ -1,18 +1,19 @@
 //! Integration test for rep nomination form template document validation part.
 //! <https://docs.dev.projectcatalyst.io/libs/main/architecture/08_concepts/signed_doc/docs/rep_profile_form_template/>
 
-use catalyst_signed_doc::{providers::tests::TestCatalystProvider, *};
+use catalyst_signed_doc::{
+    providers::tests::TestCatalystProvider,
+    tests_utils::{
+        brand_parameters_doc, brand_parameters_form_template_doc, contest_parameters_doc,
+        contest_parameters_form_template_doc, create_dummy_admin_key_pair, create_dummy_key_pair,
+        rep_nomination_form_template_doc,
+    },
+    *,
+};
 use catalyst_types::catalyst_id::role_index::RoleId;
 use ed25519_dalek::ed25519::signature::Signer;
 use test_case::test_case;
 
-use crate::common::{
-    brand_parameters_doc, brand_parameters_form_template_doc, contest_parameters_doc,
-    contest_parameters_form_template_doc, create_dummy_key_pair, rep_nomination_form_template_doc,
-};
-
-mod common;
-
 #[test_case(
     |provider| {
         let template = brand_parameters_form_template_doc(provider).inspect(|v| provider.add_document(v).unwrap())?;
@@ -32,7 +33,7 @@ mod common;
         let template = contest_parameters_form_template_doc(&brand, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let parameters = contest_parameters_doc(&template, &brand, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(Some(RoleId::Role0));
+        let (sk, kid) = create_dummy_key_pair(RoleId::Role0);
         provider.add_sk(kid.clone(), sk.clone());
 
         let parameters_ref = parameters.doc_ref()?;
@@ -61,7 +62,7 @@ mod common;
         let template = contest_parameters_form_template_doc(&brand, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let parameters = contest_parameters_doc(&template, &brand, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(None);
+        let (sk, kid) = create_dummy_admin_key_pair();
         provider.add_sk(kid.clone(), sk.clone());
 
         let parameters_ref = parameters.doc_ref()?;
@@ -90,7 +91,7 @@ mod common;
         let template = contest_parameters_form_template_doc(&brand, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let parameters = contest_parameters_doc(&template, &brand, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(None);
+        let (sk, kid) = create_dummy_admin_key_pair();
         provider.add_sk(kid.clone(), sk.clone());
 
         let parameters_ref = parameters.doc_ref()?;
@@ -114,7 +115,7 @@ mod common;
 #[test_case(
     |provider| {
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(None);
+        let (sk, kid) = create_dummy_admin_key_pair();
         provider.add_sk(kid.clone(), sk.clone());
 
 
diff --git a/rust/signed_doc/tests/rep_profile.rs b/rust/signed_doc/tests/rep_profile.rs
index 690949defc..ca0da812bb 100644
--- a/rust/signed_doc/tests/rep_profile.rs
+++ b/rust/signed_doc/tests/rep_profile.rs
@@ -1,18 +1,18 @@
 //! Integration test for rep profile document validation part.
 //! <https://docs.dev.projectcatalyst.io/libs/main/architecture/08_concepts/signed_doc/docs/brand_parameters>
 
-use catalyst_signed_doc::{providers::tests::TestCatalystProvider, *};
+use catalyst_signed_doc::{
+    providers::tests::TestCatalystProvider,
+    tests_utils::{
+        brand_parameters_doc, brand_parameters_form_template_doc, create_dummy_key_pair,
+        rep_profile_doc, rep_profile_form_template_doc,
+    },
+    *,
+};
 use catalyst_types::catalyst_id::role_index::RoleId;
 use ed25519_dalek::ed25519::signature::Signer;
 use test_case::test_case;
 
-use crate::common::{
-    brand_parameters_doc, brand_parameters_form_template_doc, create_dummy_key_pair,
-    rep_profile_doc, rep_profile_form_template_doc,
-};
-
-mod common;
-
 #[test_case(
     |provider| {
         let template = brand_parameters_form_template_doc(provider).inspect(|v| provider.add_document(v).unwrap())?;
@@ -30,7 +30,7 @@ mod common;
         let parameters = brand_parameters_doc(&template, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let template = rep_profile_form_template_doc(&parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(Some(RoleId::Role0));
+        let (sk, kid) = create_dummy_key_pair(RoleId::Role0);
         provider.add_sk(kid.clone(), sk.clone());
 
         let parameters_ref = parameters.doc_ref()?;
@@ -60,7 +60,7 @@ mod common;
         let parameters = brand_parameters_doc(&template, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let template = rep_profile_form_template_doc(&parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(Some(RoleId::DelegatedRepresentative));
+        let (sk, kid) = create_dummy_key_pair(RoleId::DelegatedRepresentative);
         provider.add_sk(kid.clone(), sk.clone());
 
         let parameters_ref = parameters.doc_ref()?;
@@ -90,7 +90,7 @@ mod common;
         let parameters = brand_parameters_doc(&template, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let template = rep_profile_form_template_doc(&parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(Some(RoleId::DelegatedRepresentative));
+        let (sk, kid) = create_dummy_key_pair(RoleId::DelegatedRepresentative);
         provider.add_sk(kid.clone(), sk.clone());
 
         let parameters_ref = parameters.doc_ref()?;
@@ -118,7 +118,7 @@ mod common;
         let template = brand_parameters_form_template_doc(provider).inspect(|v| provider.add_document(v).unwrap())?;
         let parameters = brand_parameters_doc(&template, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(Some(RoleId::DelegatedRepresentative));
+        let (sk, kid) = create_dummy_key_pair(RoleId::DelegatedRepresentative);
         provider.add_sk(kid.clone(), sk.clone());
 
         let parameters_ref = parameters.doc_ref()?;
@@ -146,7 +146,7 @@ mod common;
         let parameters = brand_parameters_doc(&template, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let template = rep_profile_form_template_doc(&parameters, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(Some(RoleId::DelegatedRepresentative));
+        let (sk, kid) = create_dummy_key_pair(RoleId::DelegatedRepresentative);
         provider.add_sk(kid.clone(), sk.clone());
 
         let template_ref = template.doc_ref()?;
diff --git a/rust/signed_doc/tests/rep_profile_form_template.rs b/rust/signed_doc/tests/rep_profile_form_template.rs
index ec055e3932..42c8705745 100644
--- a/rust/signed_doc/tests/rep_profile_form_template.rs
+++ b/rust/signed_doc/tests/rep_profile_form_template.rs
@@ -1,18 +1,18 @@
 //! Integration test for rep profile form template document validation part.
 //! <https://docs.dev.projectcatalyst.io/libs/main/architecture/08_concepts/signed_doc/docs/rep_profile_form_template/>
 
-use catalyst_signed_doc::{providers::tests::TestCatalystProvider, *};
+use catalyst_signed_doc::{
+    providers::tests::TestCatalystProvider,
+    tests_utils::{
+        brand_parameters_doc, brand_parameters_form_template_doc, create_dummy_admin_key_pair,
+        create_dummy_key_pair, rep_profile_form_template_doc,
+    },
+    *,
+};
 use catalyst_types::catalyst_id::role_index::RoleId;
 use ed25519_dalek::ed25519::signature::Signer;
 use test_case::test_case;
 
-use crate::common::{
-    brand_parameters_doc, brand_parameters_form_template_doc, create_dummy_key_pair,
-    rep_profile_form_template_doc,
-};
-
-mod common;
-
 #[test_case(
     |provider| {
         let template = brand_parameters_form_template_doc(provider).inspect(|v| provider.add_document(v).unwrap())?;
@@ -28,7 +28,7 @@ mod common;
         let template = brand_parameters_form_template_doc(provider).inspect(|v| provider.add_document(v).unwrap())?;
         let parameters = brand_parameters_doc(&template, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(Some(RoleId::Role0));
+        let (sk, kid) = create_dummy_key_pair(RoleId::Role0);
         provider.add_sk(kid.clone(), sk.clone());
 
         let parameters_ref = parameters.doc_ref()?;
@@ -55,7 +55,7 @@ mod common;
         let template = brand_parameters_form_template_doc(provider).inspect(|v| provider.add_document(v).unwrap())?;
         let parameters = brand_parameters_doc(&template, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(None);
+        let (sk, kid) = create_dummy_admin_key_pair();
         provider.add_sk(kid.clone(), sk.clone());
 
         let parameters_ref = parameters.doc_ref()?;
@@ -82,7 +82,7 @@ mod common;
         let template = brand_parameters_form_template_doc(provider).inspect(|v| provider.add_document(v).unwrap())?;
         let parameters = brand_parameters_doc(&template, provider).inspect(|v| provider.add_document(v).unwrap())?;
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(None);
+        let (sk, kid) = create_dummy_admin_key_pair();
         provider.add_sk(kid.clone(), sk.clone());
 
         let parameters_ref = parameters.doc_ref()?;
@@ -106,7 +106,7 @@ mod common;
 #[test_case(
     |provider| {
         let id = uuid::UuidV7::new();
-        let (sk, kid) = create_dummy_key_pair(None);
+        let (sk, kid) = create_dummy_admin_key_pair();
         provider.add_sk(kid.clone(), sk.clone());
 
         Builder::new()