code: def testDVariableDefaultMesh(self):
      other_layout = Layout.replicated(_OTHER_CPU_MESH, rank=0)
      first_layout = Layout.replicated(_ONE_D_CPU_MESH, rank=0)
  
      _ = api.copy_to_mesh(1.0, other_layout)
      init_value = api.copy_to_mesh(1.0, first_layout)
      _ = d_variable.DVariable(init_value)
  
imports: from absl.testing import parameterized
  import numpy
  from tensorflow.dtensor.python import accelerator_util
  from tensorflow.dtensor.python import api
  from tensorflow.dtensor.python import config
  from tensorflow.dtensor.python import d_variable
  from tensorflow.dtensor.python import layout
  from tensorflow.dtensor.python.tests import test_util
  from tensorflow.python.eager import backprop
  from tensorflow.python.eager import context
  from tensorflow.python.eager.polymorphic_function import polymorphic_function
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors_impl
  from tensorflow.python.framework import ops
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import gen_math_ops
  from tensorflow.python.ops import math_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 22 for calling the MultiMeshTest obj's underlying member method code with example usage: obj.testDVariableDefaultMesh() without return types