diff --git a/.github/workflows/swiftlint.yml b/.github/workflows/swiftlint.yml
index 4ca6626..b35dc26 100644
--- a/.github/workflows/swiftlint.yml
+++ b/.github/workflows/swiftlint.yml
@@ -7,6 +7,9 @@ on:
       - '.swiftlint.yml'
       - '**/*.swift'
 
+permissions:
+  contents: read
+
 jobs:
   SwiftLint:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
new file mode 100644
index 0000000..d5d148e
--- /dev/null
+++ b/.github/workflows/tests.yml
@@ -0,0 +1,25 @@
+name: Unit Tests
+
+on:
+  pull_request:
+    paths:
+      - '.github/workflows/tests.yml'
+      - '**/*.swift'
+
+permissions:
+  contents: read
+
+jobs:
+  test:
+    runs-on: macos-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Run unit tests
+        run: |
+          xcodebuild test \
+            -project "PPPC Utility.xcodeproj" \
+            -scheme "PPPC Utility" \
+            -destination "platform=macOS" \
+            CODE_SIGN_IDENTITY="-" \
+            CODE_SIGNING_REQUIRED=NO
diff --git a/PPPC UtilityTests/TCCProfileImporterTests/TCCProfileImporterTests.swift b/PPPC UtilityTests/TCCProfileImporterTests/TCCProfileImporterTests.swift
index c17d883..a70dc76 100644
--- a/PPPC UtilityTests/TCCProfileImporterTests/TCCProfileImporterTests.swift	
+++ b/PPPC UtilityTests/TCCProfileImporterTests/TCCProfileImporterTests.swift	
@@ -32,7 +32,7 @@ import XCTest
 
 class TCCProfileImporterTests: XCTestCase {
 
-    func testBrokenSignedTCCProfile() {
+    func testMalformedTCCProfile() {
         let tccProfileImporter = TCCProfileImporter()
 
         let resourceURL = getResourceProfile(fileName: "TestTCCProfileSigned-Broken")
@@ -40,9 +40,11 @@ class TCCProfileImporterTests: XCTestCase {
         tccProfileImporter.decodeTCCProfile(fileUrl: resourceURL) { tccProfileResult in
             switch tccProfileResult {
             case .success:
-                XCTFail("Broken Signed Profile, it shouldn't be success")
+                XCTFail("Malformed profile should not succeed")
             case .failure(let tccProfileError):
-                XCTAssertTrue(tccProfileError.localizedDescription.contains("The given data was not a valid property list."))
+                if case TCCProfileImportError.invalidProfileFile = tccProfileError { } else {
+                    XCTFail("Expected invalidProfileFile error, got \(tccProfileError)")
+                }
             }
         }
     }
diff --git a/Source/View Controllers/TCCProfileViewController.swift b/Source/View Controllers/TCCProfileViewController.swift
index 521108d..835439a 100644
--- a/Source/View Controllers/TCCProfileViewController.swift	
+++ b/Source/View Controllers/TCCProfileViewController.swift	
@@ -24,6 +24,7 @@
 //  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 //  SOFTWARE.
 //
+// swiftlint:disable file_length
 
 import Cocoa
 import OSLog