TEST_F(CApiGradientsTest, Gradients_NoGradInputs) {
  TestGradientsSuccess(false);
}

TEST_F(CApiGradientsTest, OpWithNoGradientRegistered_GradInputs) {
  TestGradientsError(true);
}

TEST_F(CApiGradientsTest, OpWithNoGradientRegistered_NoGradInputs) {
  TestGradientsError(false);
}

TEST_F(CApiGradientsTest, GradientsPrefix_PrefixIsOk) {
  BuildGraphAndAddGradientsWithPrefixes("gradients");