Function NewSession

tensorflow/core/ops/math_grad_test.cc:33–37

using FDH = FunctionDefHelper;

std::unique_ptr<Session> NewSession() {
  SessionOptions opts;
  (*opts.config.mutable_device_count())["CPU"] = 1;
  return std::unique_ptr<Session>(NewSession(opts));
}

class MathGradTest : public ::testing::Test {
 protected: