Function handler

packages/microservices/test/server/server-grpc.spec.ts:609–609

()

    describe('when response is not a stream', () => {
      it('should call callback', async () => {
        const handler = async () => ({ test: true });
        const fn = server.createRequestStreamMethod(handler, false);
        const call = {
          on: (event, callback) => {