}
		// now test the inverse.
		got_rm := CloneAndRemoveLabel(got, tc.labelKey)
		if !reflect.DeepEqual(got_rm, tc.labels) {
			t.Errorf("[RM] got %v, want %v", got_rm, tc.labels)
		}
	}
}

func TestAddLabel(t *testing.T) {
	labels := map[string]string{
		"foo1": "bar1",
		"foo2": "bar2",
		"foo3": "bar3",
	}

	cases := []struct {
		labels     map[string]string
		labelKey   string
		labelValue string