code: def testGetDeviceIDs(self):
      mesh = tpu_util.create_tpu_mesh(
          ["x", "y"], [2, 1], "mesh_to_get_device_ids"
      )
      self.assertAllEqual(tpu_util.get_device_ids(mesh), [0, 1])
  
imports: from tensorflow.dtensor.python import accelerator_util
  from tensorflow.dtensor.python import layout
  from tensorflow.dtensor.python import numpy_util
  from tensorflow.dtensor.python import tpu_util
  from tensorflow.dtensor.python.tests import test_util
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.ops import math_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 26 for calling the DeviceAssignmentTest obj's underlying member method code with example usage: obj.testGetDeviceIDs() without return types