if err := addPriorityClasses(ctrl, test.existingClasses); err != nil {
			t.Errorf("Test %q: unable to add object to informer: %v", test.name, err)
		}
		// Now add the new class.
		attrs := admission.NewAttributesRecord(
			test.newClass,
			nil,
			scheduling.Kind("PriorityClass").WithVersion("version"),
			"",
			"",
			scheduling.Resource("priorityclasses").WithVersion("version"),
			"",
			test.operation,

		"enforce-warn-audit-baseline", "warn-baseline-audit-restricted",
	}
	for _, namespace := range namespaces {
		b.Run(namespace+"_pod", func(b *testing.B) {
			ctx := context.Background()
			attrs := admission.NewAttributesRecord(
				corePod.DeepCopy(), nil,
				schema.GroupVersionKind{Group: "", Version: "v1", Kind: "Pod"},
				namespace, "mypod",
				schema.GroupVersionResource{Group: "", Version: "v1", Resource: "pods"},
				"",

	if err != nil {
		t.Errorf("unexpected error initializing handler: %v", err)
	}
	informerFactory.Start(wait.NeverStop)

	pod := newPod(namespace)
	err = handler.Validate(context.TODO(), admission.NewAttributesRecord(&pod, nil, api.Kind("Pod").WithVersion("version"), pod.Namespace, pod.Name, api.Resource("pods").WithVersion("version"), "", admission.Create, &metav1.CreateOptions{}, false, nil), nil)
	if err != nil {

			expectError: false,
			expectedPod: nil,
		},
	}

	for _, tc := range tests {
		t.Run(tc.name, func(t *testing.T) {

			attrs := admission.NewAttributesRecord(tc.pod, nil, core.Kind("Pod").WithVersion("version"), tc.pod.Namespace, tc.pod.Name, core.Resource("pods").WithVersion("version"), "", admission.Create, &metav1.CreateOptions{}, false, &user.DefaultInfo{})

						return newObj, mutatingAdmission.Admit(ctx, admission.NewAttributesRecord(newObj, nil, scope.Kind, namespace, name, scope.Resource, scope.Subresource, admission.Create, updateToCreateOptions(options), dryrun.IsDryRun(options.DryRun), userInfo), scope)
					}
				} else {
					if mutatingAdmission.Handles(admission.Update) {

	if err != nil {
		t.Fatal(err)
	}

			if err != nil {
				t.Errorf("%s: failed to create client: %v", tt.test, err)
				return
			}
			pod := goodPod(strconv.Itoa(rand.Intn(1000)))
			attr := admission.NewAttributesRecord(pod, nil, api.Kind("Pod").WithVersion("version"), "namespace", "", api.Resource("pods").WithVersion("version"), "", admission.Create, &metav1.CreateOptions{}, false, &user.DefaultInfo{})

		handler.clusterNodeSelectors[namespace.Name] = test.whitelist
		pod.Spec = api.PodSpec{NodeSelector: test.podNodeSelector}

		err := handler.Admit(context.TODO(), admission.NewAttributesRecord(pod, nil, api.Kind("Pod").WithVersion("version"), "testNamespace", namespace.ObjectMeta.Name, api.Resource("pods").WithVersion("version"), "", admission.Create, &metav1.CreateOptions{}, false, nil), nil)

)

var (
	kind     = schema.GroupVersionKind{Group: "kgroup", Version: "kversion", Kind: "kind"}
	resource = schema.GroupVersionResource{Group: "rgroup", Version: "rversion", Resource: "resource"}
	attr     = admission.NewAttributesRecord(nil, nil, kind, "ns", "name", resource, "subresource", admission.Create, &metav1.CreateOptions{}, false, nil)
)

func TestObserveAdmissionStep(t *testing.T) {
	defer Metrics.reset()
	defer legacyregistry.Reset()

}
type tests map[string]ruleTest

func a(group, version, resource, subresource, name string, operation admission.Operation, operationOptions runtime.Object) admission.Attributes {
	return admission.NewAttributesRecord(
		nil, nil,
		schema.GroupVersionKind{Group: group, Version: version, Kind: "k" + resource},
		"ns", name,
		schema.GroupVersionResource{Group: group, Version: version, Resource: resource}, subresource,
		operation,