wh, err := NewMutatingWebhook(nil)
			if err != nil {
				b.Errorf("failed to create mutating webhook: %v", err)
				return
			}

			ns := "webhook-test"
			client, informer := webhooktesting.NewFakeMutatingDataSource(ns, tt.Webhooks, stopCh)

			wh.SetAuthenticationInfoResolverWrapper(webhooktesting.Wrapper(webhooktesting.NewAuthenticationInfoResolver(new(int32))))
			wh.SetServiceResolver(webhooktesting.NewServiceResolver(*serverURL))

	client := fakeclientset.NewSimpleClientset(objs...)
	informerFactory := informers.NewSharedInformerFactory(client, 0)

	return client, informerFactory
}

// NewFakeMutatingDataSource returns a mock client and informer returning the given webhooks.
func NewFakeMutatingDataSource(name string, webhooks []registrationv1.MutatingWebhook, stopCh <-chan struct{}) (clientset kubernetes.Interface, factory informers.SharedInformerFactory) {