if !strings.Contains(gotErr, tc.expectedErrorSubString) {
					t.Errorf("expected error: %s, got err: %v", tc.expectedErrorSubString, gotErr)
				}
			}
		})
	}
}

func TestValidateControllerManagerOptions(t *testing.T) {
	opts, err := NewKubeControllerManagerOptions()
	if err != nil {
		t.Errorf("expected no error, error found %+v", err)
	}