reduce test cases

Author: Vasile Baluta

.travis.yml

@@ -14,6 +14,6 @@ before_install:
   - chmod +x pom.xml
 
 script:
-  #-  mvn -DsomeModule.test.includes="**/UpStreamEventHandlerTest.java, **/TestExtractionHandler.java, **/ObjectHandlerTest.java, **/SubscriptionServiceTest.java" test
+  -  mvn -DsomeModule.test.includes="**/UpStreamEventHandlerTest.java, **/TestExtractionHandler.java, **/ObjectHandlerTest.java, **/SubscriptionServiceTest.java" test
   #-  mvn -DsomeModule.test.includes="**/SubscriptionServiceTest.java, **/ObjectHandlerTest.java" test
-  - mvn clean install
+  #- mvn clean install