@Test
 public void assertSetCrashedFailoverFlagWhenItemIsAssigned() {
   when(jobNodeStorage.isJobNodeExisted("execution/0/failover")).thenReturn(false);
   failoverService.setCrashedFailoverFlag(0);
   verify(jobNodeStorage).isJobNodeExisted("execution/0/failover");
   verify(jobNodeStorage).createJobNodeIfNeeded("leader/failover/items/0");
 }