message: fix test error with no GPU config
diff: @@ -485,11 +485,6 @@ TEST_F(RemapperTest, FuseConv2DWithBiasAndActivationOnGPU) {
  item.feed = {{"input", input_t}, {"filter", filter_t}, {"bias", bias_t}};
  TF_ASSERT_OK(s.ToGraphDef(&item.graph));
  - // Place all nodes on GPU.
  - for (int i = 0; i < item.graph.node_size(); ++i) {
  - item.graph.mutable_node(i)->set_device("/device:GPU:0");
  - }
  -
  Remapper optimizer(RewriterConfig::AGGRESSIVE); // trust placeholders shape
  //Remapper optimizer(RewriterConfig::ON);
  GraphDef output;
  