Bael 2557 (#6307)

* [BAEL-2557] Implement tests with Test Containers

* [BAEL-2557] Remove author info

* [BAEL-2557] Small refactor fixes

* [BAEL-2557] Remove duplicated property

* [BAEL-2557] Fix pmd rule violation

persistence-modules/spring-data-jpa/pom.xml

@@ -27,11 +27,27 @@
             <groupId>org.hibernate</groupId>
             <artifactId>hibernate-envers</artifactId>
         </dependency>
+
         <dependency>
             <groupId>com.h2database</groupId>
             <artifactId>h2</artifactId>
         </dependency>
 
+        <!-- Test containers only dependencies -->
+        <dependency>
+            <groupId>org.testcontainers</groupId>
+            <artifactId>postgresql</artifactId>
+            <version>1.10.6</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.postgresql</groupId>
+            <artifactId>postgresql</artifactId>
+            <version>42.2.5</version>
+        </dependency>
+        <!-- Test containers only dependencies -->
+
         <dependency>
             <groupId>org.springframework.security</groupId>
             <artifactId>spring-security-test</artifactId>