@ -133,6 +133,8 @@ TEST(Backward, simple_grad) {
ASSERT_EQ("X" + f::OperatorBase::GRAD_VAR_SUFFIX(), gop->outputs_[0]);
ASSERT_EQ("b" + f::OperatorBase::GRAD_VAR_SUFFIX(), gop->outputs_[1]);
ASSERT_EQ("X" + f::OperatorBase::GRAD_VAR_SUFFIX(),
gop->Output("X" + f::OperatorBase::GRAD_VAR_SUFFIX()));
// LOG(INFO) << gop->Output("X" + "@GRAD");
}