Fast TPU decoding relies on an op added after TF 1.10, so disable that test for now.

PiperOrigin-RevId: 219231099

Author: afrozenator

oss_scripts/oss_tests.sh

@@ -47,7 +47,8 @@ pytest \
   --ignore=tensor2tensor/data_generators/allen_brain_test.py \
   --ignore=tensor2tensor/rl \
   --ignore=tensor2tensor/models/research \
-  --deselect=tensor2tensor/layers/common_video_test.py::CommonVideoTest::testGifSummary
+  --deselect=tensor2tensor/layers/common_video_test.py::CommonVideoTest::testGifSummary \
+  --deselect=tensor2tensor/utils/beam_search_test.py::BeamSearchTest::testTPUBeam
 set_status
 
 pytest tensor2tensor/utils/registry_test.py
@@ -74,6 +75,9 @@ fi
 
 if [[ "$TRAVIS_PYTHON_VERSION" == "2.7" ]] && [[ "$TF_VERSION" == "$TF_LATEST"  ]]
 then
+    # TODO(afrozm): Once we drop support for 1.10 we can get rid of this.
+    pytest tensor2tensor/utils/beam_search_test.py::BeamSearchTest::testTPUBeam
+    set_status
     # TODO(afrozm): Enable other tests in the RL directory.
     pytest tensor2tensor/rl/trainer_model_based_test.py
     set_status