Fix integration test database isolation

.github/codecov.yml

@@ -2,6 +2,11 @@ coverage:
   precision: 1
   round: up
   range: "70...100"
+  status:
+    project:
+      default:
+        target: auto
+        threshold: 1%
 parsers:
   jacoco:
-    partials_as_hits: true
+    partials_as_hits: true

src/test/java/com/github/havlli/EventPilot/TestDatabaseContainer.java

@@ -4,6 +4,7 @@
 import com.redis.testcontainers.RedisContainer;
 import org.flywaydb.core.Flyway;
 import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.BeforeEach;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.context.annotation.Import;
@@ -38,6 +39,7 @@ static void beforeAll() throws SQLException, IOException {
                 postgresSQLContainer.getUsername(),
                 postgresSQLContainer.getPassword()
         ).load();
+        flyway.migrate();
         logContainerInfo();
     }
 
@@ -120,6 +122,11 @@ protected void clearAllData() throws SQLException, IOException {
         executeSQLFile(CLEANUP_SQL);
     }
 
+    @BeforeEach
+    void resetDatabaseState() throws SQLException, IOException {
+        clearAllData();
+    }
+
 
     protected static void populateDummyData() throws SQLException, IOException {
         executeSQLFile(DATA_SQL);

src/test/resources/cleanup.sql

@@ -1,3 +1,8 @@
-DELETE FROM participant;
-DELETE FROM event;
-DELETE FROM guild;
+TRUNCATE TABLE participant, event, guild, embed_type, user_role, users, role RESTART IDENTITY CASCADE;
+
+INSERT INTO embed_type (name, structure)
+VALUES ('default', '{"-1":"Absence","-2":"Late","1":"Tank","-3":"Tentative","2":"Melee","3":"Ranged","4":"Healer","5":"Support"}');
+
+INSERT INTO role(name) VALUES('USER');
+INSERT INTO role(name) VALUES('MODERATOR');
+INSERT INTO role(name) VALUES('ADMIN');