code: def setUp(self):
      super().setUp(num_workers=2, num_ps=2)
  
file_path: tensorflow-upstream/tensorflow/python/distribute/coordinator/fault_tolerance_coordination_service_test.py
imports: from tensorflow.python.compat import v2_compat
  from tensorflow.python.distribute import multi_process_runner
  from tensorflow.python.distribute.coordinator import cluster_coordinator
  from tensorflow.python.distribute.coordinator import fault_tolerance_test_base
  from tensorflow.python.eager import def_function
  from tensorflow.python.eager import test
label_desc: Use image node_id 1 for calling the MultiWorkerCoordinationServiceTest obj's underlying member method code with example usage: obj.setUp() without return types