tcs := []struct {
		name          string
		webhooks      admitv1.MutatingWebhookConfigurationList
		namespaces    corev1.NamespaceList
		outputMatches []string
		error         string
	}{
		{
			name: "TestBasicTag",
			webhooks: admitv1.MutatingWebhookConfigurationList{
				Items: []admitv1.MutatingWebhookConfiguration{
					{
						ObjectMeta: metav1.ObjectMeta{
							Name: "istio-revision-tag-sample",