code: def _assert_indexed_slices_equal(self, left, right):
      self.assertIsInstance(left, indexed_slices_lib.IndexedSlices)
      self.assertIsInstance(right, indexed_slices_lib.IndexedSlices)
      self.assertEqual(
          device_util.resolve(left.device),
          device_util.resolve(right.device),
      )
      self.assertAllEqual(
          self.evaluate(ops.convert_to_tensor(left)),
          self.evaluate(ops.convert_to_tensor(right)),
      )
  
imports: import itertools
  import os
  import threading
  import time
  from absl.testing import parameterized
  import numpy
  from tensorflow.core.protobuf import config_pb2
  from tensorflow.python.distribute import cluster_resolver
  from tensorflow.python.distribute import collective_all_reduce_strategy
  from tensorflow.python.distribute import collective_util
  from tensorflow.python.distribute import combinations
  from tensorflow.python.distribute import cross_device_ops
  from tensorflow.python.distribute import cross_device_utils
  from tensorflow.python.distribute import device_util
  from tensorflow.python.distribute import distribute_utils
  from tensorflow.python.distribute import multi_worker_test_base
  from tensorflow.python.distribute import multi_worker_util
  from tensorflow.python.distribute import reduce_util
  from tensorflow.python.distribute import strategy_combinations
  from tensorflow.python.distribute import values
  from tensorflow.python.eager import context
  from tensorflow.python.eager import test
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import indexed_slices
  from tensorflow.python.framework import kernels
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import tensor
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import collective_ops
  from tensorflow.python.ops import math_ops
  from tensorflow.python.ops import variables
label_desc: Use image node_id 1 for calling the CrossDeviceOpsTestBase obj's underlying member method code with example usage: obj._assert_indexed_slices_equal(left, right) without return types