message: Remove usage of internal test_util.skip_if_error from keras.
diff: @@ -32,7 +32,6 @@ from tensorflow.python.distribute import multi_process_runner
  from tensorflow.python.distribute import multi_worker_test_base
  from tensorflow.python.framework import errors_impl
  from tensorflow.python.framework import test_combinations as combinations
  -from tensorflow.python.framework import test_util
  from tensorflow.python.keras.datasets import mnist
  from tensorflow.python.keras.optimizer_v2 import gradient_descent
  from tensorflow.python.lib.io import file_io
  @@ -196,12 +195,14 @@ class MultiWorkerTutorialTest(parameterized.TestCase, test.TestCase):
  model_path = os.path.join(self.get_temp_dir(), 'model.tf')
  checkpoint_dir = os.path.join(self.get_temp_dir(), 'ckpt')
  - with test_util.skip_if_error(self, errors_impl.UnavailableError):
  + try:
  mpr_result = multi_process_runner.run(
  fn,
  multi_worker_test_base.create_cluster_spec(num_workers=num_workers),
  args=(model_path, checkpoint_dir),
  return_output=True)
  + except errors_impl.UnavailableError as e:
  + self.skipTest('Skipping error: {}: {}'.format(type(e), str(e)))
  self.assertTrue(
  any([
  