if t.err != nil {
		return nil, t.err
	}
	return &kmsservice.StatusResponse{Healthz: "ok", KeyID: t.keyID, Version: "v2beta1"}, nil
}

// The factory method to create mock envelope service.
func newMockEnvelopeService(ctx context.Context, endpoint string, timeout time.Duration) (envelope.Service, error) {
	return &testEnvelopeService{nil}, nil
}

// The factory method to create mock envelope service which always returns error.