code: def test_get_tensor_layout(self):
      layout_map = distribution_lib.LayoutMap(self.device_mesh)
      layout_map[".*kernel"] = distribution_lib.TensorLayout(
          [None, "model"]
      )
      layout_map[".*bias"] = distribution_lib.TensorLayout(["model"])
      layout_map["/model/layer/tensor"] = ("data", None)
  
      distribution = distribution_lib.ModelParallel(
          self.device_mesh, layout_map, batch_dim_name="data"
      )
      layout = distribution.get_tensor_layout("/model/layer/tensor")
      self.assertIs(layout.device_mesh, self.device_mesh)
      self.assertEqual(layout.axes, ("data", None))
  
      layout = distribution.get_tensor_layout(
          "/model/layer/other_tensor"
      )
      self.assertIsNone(layout)
  
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 4 for calling the ModelParallelDistributionTest obj's underlying member method code with example usage: obj.test_get_tensor_layout() without return types