Fix infinite loop for ALF-12229: WCMTestSuite.testSubmitDeletedItemsWithLF1 never exits on DB2

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@33078 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/wcm/AbstractWCMServiceImplTest.java

@@ -240,6 +240,7 @@ public class AbstractWCMServiceImplTest extends TestCase
                             "   Attempts: " + attempts);
                     // This failure is too common 
                     // throw new AlfrescoRuntimeException("Too many poll attempts: "+attempts);
+                    break;
                 }
             }
         }