message: [XLA:GPU] Enable outfeed test on GPU
  Outfeed is supported now.
diff: @@ -866,9 +866,7 @@ XLA_TEST_F(LocalClientExecuteTest, InfeedTest) {
  LiteralTestUtil::ExpectR1Equal<float>({-4.0, 125.0, 45.0}, *result);
  }
  -// TODO(b/34359662): Support infeed/outfeed on GPU and CPU parallel.
  -// 2017-10-18.
  -XLA_TEST_F(LocalClientExecuteTest, DISABLED_ON_GPU(InfeedOutfeedTest)) {
  +XLA_TEST_F(LocalClientExecuteTest, InfeedOutfeedTest) {
  XlaBuilder builder(TestName());
  const Shape shape = ShapeUtil::MakeShape(F32, {3});
  auto in = Infeed(&builder, shape);
  