@Test
 public void testDeleteTopicTypes() {
   List<TopicType> list = Arrays.asList(topicType);
   topicTypeService.deleteTopicTypes(list);
   verify(dao).delete(topicTypeId);
 }
 @Test
 public void saveTopic() {
   topicTypeService.saveOrUpdate(topicType);
   verify(dao).saveOrUpdate(topicType);
 }
 @Test
 public void testDeleteTopicType() {
   topicTypeService.deleteTopicType(topicType);
   verify(dao).delete(topicTypeId);
 }
 @Test
 public void testGetAll() {
   topicTypeService.getAll();
   verify(dao).getAll();
 }