code: def test_get_data_layout(self):
      distribution = distribution_lib.DataParallel(
          device_mesh=self.device_mesh
      )
  
      data = np.arange(16).reshape((4, 2, 2))
      data_layout = distribution.get_data_layout(data.shape)
      self.assertIs(data_layout.device_mesh, self.device_mesh)
      self.assertEqual(data_layout.axes, ("data", None, None))
  
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 5 for calling the DataParallelDistributionTest obj's underlying member method code with example usage: obj.test_get_data_layout() without return types