spring、mybatis、测试用例执行后数据没有入库

@RunWith(SpringRunner.class)
@SpringBootTest
public class RewardCouponDetailServiceTest{
    private static final Logger logger = LoggerFactory.getLogger(RewardCouponDetailServiceTest.class);
    @Autowired
    private RewardCouponDetailMapper rewardCouponDetailMapper;
    @Test
    @Transactional
    @Rollback(true)// 事务自动回滚，默认是true。可不写
    public void TestCustomer(){
        RewardCouponDetail rewardCouponDetail = new RewardCouponDetail();
        rewardCouponDetail.setRewardInfoId(1L);
        rewardCouponDetail.setCreateTime(new Date());
        rewardCouponDetailMapper.insert(rewardCouponDetail);
        logger.info(JSON.toJSONString(rewardCouponDetail));
        Assert.assertNotNull(rewardCouponDetail.getId());
    }
}