message: Skip tensorflow/python:collective_ops_gpu_test on CPU because it does not make sense to setup virtual GPU on machines without GPUs.
diff: @@ -38,4 +38,7 @@ bazel test --define=no_tensorflow_py_deps=true \
  --test_output=errors \
  -- //${PIP_TEST_ROOT}/tensorflow/python/... \
  -//${PIP_TEST_ROOT}/tensorflow/python:virtual_gpu_test \
  - -//${PIP_TEST_ROOT}/tensorflow/python:virtual_gpu_test_gpu
  + -//${PIP_TEST_ROOT}/tensorflow/python:virtual_gpu_test_gpu \
  + -//${PIP_TEST_ROOT}/tensorflow/python:collective_ops_gpu_test \
  + -//${PIP_TEST_ROOT}/tensorflow/python:collective_ops_gpu_test_gpu
  +
  