📍Use lombok, reformat, and optimize the code (#1560)

* Use lombok, reformat, and optimize the code

* Fix merge conflicts and some sonar issues

Co-authored-by: va1m <va1m@email.com>

eip-aggregator/pom.xml

@@ -61,11 +61,6 @@
         </dependency>
 
         <!-- Testing -->
-        <dependency>
-            <groupId>com.github.sbrannen</groupId>
-            <artifactId>spring-test-junit5</artifactId>
-            <scope>test</scope>
-        </dependency>
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter-engine</artifactId>