message: Make sure the output values are same before and after graph optimization.
diff: @@ -2489,6 +2489,11 @@ TEST_F(ArithmeticOptimizerTest, ConvertPow) {
  auto tensors = EvaluateNodes(got, item.fetch);
  EXPECT_EQ(7, tensors.size());
  + for (int i = 0; i < 7; ++i) {
  + EXPECT_EQ(tensors[i].NumElements(), tensors_expected[i].NumElements());
  + test::ExpectTensorNear<float>(tensors[i], tensors_expected[i], 1e-6);
  + }
  +
  GraphDef want;
  AddNode("x", "Const", {}, {}, &want);
  AddNode("y2", "Const", {}, {}, &want);
  @@ -2534,6 +2539,11 @@ TEST_F(ArithmeticOptimizerTest, Log1p) {
  auto tensors = EvaluateNodes(got, item.fetch);
  EXPECT_EQ(2, tensors.size());
  + for (int i = 0; i < 2; ++i) {
  + EXPECT_EQ(tensors[i].NumElements(), tensors_expected[i].NumElements());
  + test::ExpectTensorNear<float>(tensors[i], tensors_expected[i], 1e-6);
  + }
  +
  GraphDef want;
  AddNode("x1", "Const", {}, {}, &want);
  AddNode("x2", "Const", {}, {}, &want);
  