@Test
 public void assertFillJobNodeIfNotNullAndOverwriteEnabledAndValueDifferent()
     throws NoSuchFieldException {
   when(coordinatorRegistryCenter.isExisted("/testJob/config/cron")).thenReturn(true);
   when(coordinatorRegistryCenter.getDirectly("/testJob/config/cron")).thenReturn("0/1 * * * * ?");
   JobConfigurationFieldUtil.setSuperFieldValue(jobConfig, "overwrite", true);
   jobNodeStorage.fillJobNodeIfNullOrOverwrite("config/cron", "0/2 * * * * ?");
   verify(coordinatorRegistryCenter).isExisted("/testJob/config/cron");
   verify(coordinatorRegistryCenter).getDirectly("/testJob/config/cron");
   verify(coordinatorRegistryCenter).persist("/testJob/config/cron", "0/2 * * * * ?");
 }
 @Before
 public void reset() {
   JobConfigurationFieldUtil.setSuperFieldValue(jobConfig, "overwrite", false);
 }