@Before
 public void setUp() throws Exception {
   setUpClassifieds();
   setUpClassifiedComments();
   notificationService = spy(new CommentUserNotificationService());
   notificationService.register(ClassifiedService.COMPONENT_NAME, classifiedService);
   doReturn(mockCommentService()).when(notificationService).getCommentService();
   doReturn(mockNotificationSender())
       .when(notificationService)
       .getNotificationSender(CLASSIFIED_INSTANCEID);
 }