func createReactor(tracker cgotesting.ObjectTracker) func(action cgotesting.Action) (handled bool, ret apiruntime.Object, err error) {
	var uidCounter int
	var resourceVersionCounter int
	var mutex sync.Mutex

	return func(action cgotesting.Action) (handled bool, ret apiruntime.Object, err error) {
		createAction, ok := action.(cgotesting.CreateAction)
		if !ok {
			return false, nil, nil
		}

				}
				scheme.Default(test.driver)
				client = fakeclient.NewSimpleClientset(test.driver)
			}
			client.PrependReactor("create", "serviceaccounts", clitesting.ReactionFunc(func(action clitesting.Action) (bool, runtime.Object, error) {
				tr := action.(clitesting.CreateAction).GetObject().(*authenticationv1.TokenRequest)
				scheme.Default(tr)
				if len(tr.Spec.Audiences) == 0 {
					tr.Spec.Audiences = []string{"api"}