message: Add tag isolated_poplar_tests to estimator example tests
  Summary: These are quite slow with AddressSanitizer.
  Reviewers: georgep, #tensorflow, #framework_ip_review_-_any_oss_or_third-party_code_use_has_been_approved
  Maniphest Tasks: T26259
diff: @@ -4090,6 +4090,7 @@ py_test(
  "--iterations-per-loop=1",
  "--training-steps=1",
  ],
  + tags = ["isolated_poplar_tests"],
  deps = [
  "//tensorflow:tensorflow_py",
  "//tensorflow/python/ipu:ipu_lib",
  @@ -4120,6 +4121,7 @@ py_test(
  "--iterations-per-loop=1",
  "--training-steps=1",
  ],
  + tags = ["isolated_poplar_tests"],
  deps = [
  "//tensorflow:tensorflow_py",
  "//tensorflow/python/ipu:ipu_lib",
  