if (len(actual) == 0) != rt.expected {
			t.Errorf(
				"failed ValidateTokenGroups:\n\texpected: %t\n\t  actual: %t",
				rt.expected,
				(len(actual) == 0),
			)
		}
	}
}

func TestValidateNodeRegistrationOptions(t *testing.T) {
	var tests = []struct {
		nodeName       string
		expectedErrors bool
	}{
		{"", true},                  // node name can't be empty