// try to update a non-existing node with denying admission, should still return NotFound
	_, _, err := registry.Update(testContext, podA.Name, rest.DefaultUpdatedObjectInfo(podA), denyCreateValidation, denyUpdateValidation, false, &metav1.UpdateOptions{})
	if !errors.IsNotFound(err) {
		t.Errorf("Unexpected error: %v", err)
	}

	// try to update a non-existing node