return nil, nil
}
func (doNothingRESTMapper) RESTMappings(gk schema.GroupKind, versions ...string) ([]*meta.RESTMapping, error) {
	return nil, nil
}
func (doNothingRESTMapper) ResourceSingularizer(resource string) (singular string, err error) {
	return "", nil
}

type doNothingAdmission struct{}

	// this ok because if the test works, this method should never be called.
	panic("test failed")
}
func (r *neverReturningRESTMapper) ResourceSingularizer(resource string) (singular string, err error) {
	// this ok because if the test works, this method should never be called.
	panic("test failed")
}

func TestGCAdmission(t *testing.T) {