TFE_TensorHandle* h_default = TestMatrixTensorHandle(ctx);
  const char* device_type = TFE_TensorHandleDeviceType(h_default, status.get());
  ASSERT_EQ(TF_OK, TF_GetCode(status.get())) << TF_Message(status.get());
  ASSERT_TRUE(absl::StrContains(device_type, "CPU")) << device_type;
  int device_id = TFE_TensorHandleDeviceID(h_default, status.get());