message: disable a failing test in oss env.
diff: @@ -754,7 +754,10 @@ py_test(
  size = "enormous",
  srcs = ["engine/training_generator_test.py"],
  srcs_version = "PY2AND3",
  - tags = ["notsan"],
  + tags = [
  + "no_oss",
  + "notsan",
  + ],
  deps = [
  ":keras",
  "//tensorflow/python:client_testlib",
  