kQueueName, {kCountUpToOpName}, kSquareOpName, "", {});

  std::unique_ptr<QueueRunner> qr;
  TF_EXPECT_OK(QueueRunner::New(queue_runner_def, &qr));
  TF_CHECK_OK(qr->Start(session.get()));
  TF_EXPECT_OK(qr->Join());

  std::vector<Tensor> outputs;
  TF_EXPECT_OK(session->Run({}, {kSquareOpName}, {}, &outputs));
  int square_value = *outputs[0].scalar<int>().data();