Function written

packages/core/test/router/router-response-controller.spec.ts:313–316

(stream: Writable)

      }

      const written = (stream: Writable) =>
        new Promise((resolve, reject) =>
          stream.on('error', reject).on('finish', resolve),
        );

      const result = Promise.resolve(of('test'));
      const response = new Sink();