@Test
 public void assertRemoveJobNodeIfNotNeeded() {
   when(coordinatorRegistryCenter.isExisted("/testJob/config")).thenReturn(false);
   jobNodeStorage.removeJobNodeIfExisted("config");
   verify(coordinatorRegistryCenter).isExisted("/testJob/config");
   verify(coordinatorRegistryCenter, times(0)).remove("/testJob/config");
 }