func validateFlagIsSetManuallyOrNot(istioCmd *cobra.Command, flagName string) bool {
	if istioCmd != nil {
		allPersistentFlagSet := istioCmd.PersistentFlags()
		if flagName != "" {
			return allPersistentFlagSet.Changed(flagName)
		}
	}
	return false

		// This one is not a selector, it must be an exact match
		if sel := mustGetLabels(t, deployment, "spec.selector.matchLabels"); !reflect.DeepEqual(deploymentSelector, sel) {
			t.Fatalf("Depployment selectors are immutable, but changed since 1.5. Was %v, now is %v", deploymentSelector, sel)
		}
	})
}

// This test enforces that objects that reference other objects do so properly, such as Service selecting deployment