code: def setUpClass(cls):
      super(DistributedTableTest, cls).setUpClass()
      cls.cluster = multi_worker_test_base.create_multi_process_cluster(
          num_workers=2, num_ps=3, rpc_layer="grpc"
      )
      cls.cluster_resolver = cls.cluster.cluster_resolver
  
imports: import copy
  import os
  from absl.testing import parameterized
  from tensorflow.python.compat import v2_compat
  from tensorflow.python.data.ops import dataset_ops
  from tensorflow.python.distribute import combinations
  from tensorflow.python.distribute import device_util
  from tensorflow.python.distribute import multi_process_runner
  from tensorflow.python.distribute import multi_worker_test_base
  from tensorflow.python.distribute import parameter_server_strategy_v2
  from tensorflow.python.distribute import ps_values
  from tensorflow.python.distribute.coordinator import cluster_coordinator
  from tensorflow.python.distribute.coordinator import coordinator_context
  from tensorflow.python.eager import def_function
  from tensorflow.python.eager import test
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import tensor_spec
  from tensorflow.python.module import module
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import lookup_ops
  from tensorflow.python.ops import math_ops
  from tensorflow.python.saved_model import load
  from tensorflow.python.saved_model import save
label_desc: Use image node_id 1 for calling the DistributedTableTest obj's underlying member method code with example usage: obj.setUpClass(cls) without return types