code: def test_create_with_device_mesh(self):
      distribution = distribution_lib.DataParallel(
          device_mesh=self.device_mesh
      )
  
      device_mesh = distribution.device_mesh
      self.assertEqual(len(device_mesh.devices), 8)
      self.assertEqual(device_mesh.axis_names, ["data"])
      self.assertEqual(distribution._batch_dim_name, "data")
  
      self.assertFalse(distribution._is_multi_process)
      self.assertEqual(distribution._process_id, 0)
      self.assertEqual(distribution._num_process, 1)
  
imports: import os
  from unittest import mock
  import numpy
  import pytest
  import tensorflow
  from keras import backend
  from keras import testing
  from keras.backend import distribution_lib
  from keras.distribution import distribution_lib
label_desc: Use image node_id 2 for calling the DataParallelDistributionTest obj's underlying member method code with example usage: obj.test_create_with_device_mesh() without return types