@Transactional
 @Rollback(true)
 @Test
 public void testDeleteEventHandler() {
   EventHandler eventHandlerTest = eventService.getEventHandlerById(NUMBER_ONE);
   Assert.isTrue(eventHandlerTest.getEventHandlerName().equals("Users data import"));
   eventService.deleteEventHandlerById(NUMBER_ONE);
   EventHandler eventHandlerTestNew = eventService.getEventHandlerById(NUMBER_ONE);
   Assert.isNull(eventHandlerTestNew);
 }