code: def testWorkerFailure(self):
      cluster = data_service_test_base.TestCluster(num_workers=1)
      components = np.array([1.0, 2.0, 3.0, np.nan, 5.0]).astype(
          np.float32
      )
      dataset = dataset_ops.Dataset.from_tensor_slices(components)
      dataset = dataset.map(
          lambda x: array_ops.check_numerics(x, "message")
      )
      self.evaluate(
          distributed_save_op.distributed_save(
              dataset, self._test_dir, cluster.dispatcher_address()
          )
      )
      _wait_for_error(self._test_dir)
  
      with self.assertRaisesRegex(
          ValueError, "The save job failed to write it."
      ):
          dataset = dataset_ops.Dataset.load(self._test_dir)
          self.getDatasetOutput(dataset)
  
imports: import os
  import shutil
  import tempfile
  import time
  from absl.testing import parameterized
  import numpy
  from tensorflow.python.data.experimental.kernel_tests.service import test_base
  from tensorflow.python.data.experimental.ops import data_service_ops
  from tensorflow.python.data.experimental.ops import distributed_save_op
  from tensorflow.python.data.experimental.service import _pywrap_snapshot_utils
  from tensorflow.python.data.kernel_tests import checkpoint_test_base
  from tensorflow.python.data.kernel_tests import test_base
  from tensorflow.python.data.ops import dataset_ops
  from tensorflow.python.framework import combinations
  from tensorflow.python.framework import errors
  from tensorflow.python.ops import array_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 12 for calling the DistributedSaveTest obj's underlying member method code with example usage: obj.testWorkerFailure() without return types