@Test
 public void testGetSubResourceDefinitions() throws Exception {
   TargetClusterResourceDefinition definition = new TargetClusterResourceDefinition();
   Set<SubResourceDefinition> subResourceDefinitions = definition.getSubResourceDefinitions();
   Assert.assertTrue(subResourceDefinitions.isEmpty());
 }
 @Test
 public void testGetSingularName() throws Exception {
   TargetClusterResourceDefinition definition = new TargetClusterResourceDefinition();
   Assert.assertEquals("target", definition.getSingularName());
 }