message: Disabling the tests again on Mac since some tests are still flaky.
diff: @@ -79,6 +79,9 @@ py_test(
  size = "small",
  srcs = ["python/utils/losses_test.py"],
  srcs_version = "PY2AND3",
  + tags = [
  + "nomac", # b/63258195
  + ],
  deps = [
  ":losses",
  "//tensorflow/python:framework_test_lib",
  @@ -108,6 +111,9 @@ py_test(
  size = "small",
  srcs = ["python/training/functions/gbdt_batch_test.py"],
  srcs_version = "PY2AND3",
  + tags = [
  + "nomac", # b/63258195
  + ],
  deps = [
  ":gbdt_batch",
  ":losses",
  @@ -125,6 +131,9 @@ py_test(
  size = "small",
  srcs = ["python/kernel_tests/ensemble_optimizer_ops_test.py"],
  srcs_version = "PY2AND3",
  + tags = [
  + "nomac", # b/63258195
  + ],
  deps = [
  ":ensemble_optimizer_ops_py",
  ":model_ops_py",
  @@ -145,6 +154,9 @@ py_test(
  size = "small",
  srcs = ["python/kernel_tests/model_ops_test.py"],
  srcs_version = "PY2AND3",
  + tags = [
  + "nomac", # b/63258195
  + ],
  deps = [
  ":ensemble_optimizer_ops_py",
  ":model_ops_py",
  @@ -168,6 +180,9 @@ py_test(
  size = "small",
  srcs = ["python/kernel_tests/prediction_ops_test.py"],
  srcs_version = "PY2AND3",
  + tags = [
  + "nomac", # b/63258195
  + ],
  deps = [
  ":model_ops_py",
  ":prediction_ops_py",
  @@ -185,6 +200,9 @@ py_test(
  size = "small",
  srcs = ["python/kernel_tests/quantile_ops_test.py"],
  srcs_version = "PY2AND3",
  + tags = [
  + "nomac", # b/63258195
  + ],
  deps = [
  ":quantile_ops_py",
  "//tensorflow/contrib/boosted_trees/proto:quantiles_proto_py",
  @@ -219,6 +237,9 @@ py_test(
  size = "small",
  srcs = ["python/kernel_tests/stats_accumulator_ops_test.py"],
  srcs_version = "PY2AND3",
  + tags = [
  + "nomac", # b/63258195
  + ],
  deps = [
  ":stats_accumulator_ops_py",
  "//tensorflow/python:framework_ops",
  @@ -233,6 +254,9 @@ py_test(
  size = "small",
  srcs = ["python/kernel_tests/training_ops_test.py"],
  srcs_version = "PY2AND3",
  + tags = [
  + "nomac", # b/63258195
  + ],
  deps = [
  ":boosted_trees_ops_loader",
  ":model_ops_py",
  