message: Re-enable distribute_lib_test in PIP integration build now that it is
  using a less-buggy version of Python.
diff: @@ -39,6 +39,5 @@ bazel test --define=no_tensorflow_py_deps=true \
  -- //${PIP_TEST_ROOT}/tensorflow/python/... \
  -//${PIP_TEST_ROOT}/tensorflow/python/keras:training_eager_test \
  -//${PIP_TEST_ROOT}/tensorflow/python/keras:base_layer_test \
  - -//${PIP_TEST_ROOT}/tensorflow/python/distribute:distribute_lib_test \
  -//${PIP_TEST_ROOT}/tensorflow/python:virtual_gpu_test \
  -//${PIP_TEST_ROOT}/tensorflow/python:virtual_gpu_test_gpu
  