code: def testMultiplePodSelectorsAndWorkers(self):
      worker1 = _create_pod_list(
          ("tensorflow-abc123", "Running", "10.1.2.3"),
          ("tensorflow-def456", "Running", "10.1.2.4"),
          ("tensorflow-999999", "Running", "10.1.2.5"),
      )
      worker2 = _create_pod_list(
          ("tensorflow-abc124", "Running", "10.1.2.6"),
          ("tensorflow-def457", "Running", "10.1.2.7"),
          ("tensorflow-999990", "Running", "10.1.2.8"),
      )
      ps = _create_pod_list(
          ("tensorflow-ps-1", "Running", "10.1.2.1"),
          ("tensorflow-ps-2", "Running", "10.1.2.2"),
      )
  
      cluster_resolver = KubernetesClusterResolver(
          job_to_label_mapping={
              "worker": ["job-name=worker1", "job-name=worker2"],
              "ps": ["job-name=ps"],
          },
          override_client=_mock_kubernetes_client(
              {
                  "job-name=worker1": worker1,
                  "job-name=worker2": worker2,
                  "job-name=ps": ps,
              }
          ),
      )
  
      actual_cluster_spec = cluster_resolver.cluster_spec()
      expected_proto = """
      job {
        name: 'ps'
        tasks { key: 0 value: '10.1.2.1:8470' }
        tasks { key: 1 value: '10.1.2.2:8470' }
      }
      job {
        name: 'worker'
        tasks { key: 0 value: '10.1.2.5:8470' }
        tasks { key: 1 value: '10.1.2.3:8470' }
        tasks { key: 2 value: '10.1.2.4:8470' }
        tasks { key: 3 value: '10.1.2.8:8470' }
        tasks { key: 4 value: '10.1.2.6:8470' }
        tasks { key: 5 value: '10.1.2.7:8470' }
      }
      """
      self._verifyClusterSpecEquality(
          actual_cluster_spec, str(expected_proto)
      )
  
file_path: tensorflow-upstream/tensorflow/python/distribute/cluster_resolver/kubernetes_cluster_resolver_test.py
imports: from tensorflow.python.distribute.cluster_resolver.kubernetes_cluster_resolver import KubernetesClusterResolver
  from tensorflow.python.platform import test
  from tensorflow.python.training import server_lib
label_desc: Use image node_id 6 for calling the KubernetesClusterResolverTest obj's underlying member method code with example usage: obj.testMultiplePodSelectorsAndWorkers() without return types