"foo":   "notbar",
		},
	}
	if errs := ValidateHasLabel(wrongValueCase, field.NewPath("field"), "foo", "bar"); len(errs) == 0 {
		t.Errorf("expected failure")
	}
}

func TestIsValidSysctlName(t *testing.T) {
	valid := []string{
		"a.b.c.d",
		"a",
		"a_b",
		"a-b",
		"abc",
		"abc.def",
		"a/b/c/d",
		"a/b.c",
	}
	invalid := []string{
		"",