### Question:
ConsumerGroupConsumerCheckServiceImpl implements RedundanceCheckService { @Override public String checkItem() { String field = "ConsumerGroupConsumer下校验:" + ConsumerGroupEntity.FdId + "," + ConsumerEntity.FdId; return field; }  @Override String checkItem(); @Override String checkResult(); String checkConsumerGroupConsumer(Map<Long, ConsumerGroupEntity> consumerGroupMap,Map<Long,ConsumerEntity> consumerMap,List<ConsumerGroupConsumerEntity> consumerGroupConsumerList);  }### Answer:
@Test public void checkItemTest() { assertEquals(false, Util.isEmpty(consumerGroupConsumerCheckServiceImpl.checkItem())); }