docstr: Tests multi-worker behavior when task type worker is set in TF_CONFIG.
docstr_tok: ["Tests","multi-worker","behavior","when","task","type","worker","is","set","in","TF_CONFIG","."]
code: def test_multi_worker_as_worker(self):
      """Tests multi-worker behavior when task type worker is set in TF_CONFIG."""
      cluster_config, save_dir = task.get_worker_behavior_info(
          "some/dir/"
      )
      self.assertEqual(save_dir, "")
      self.assertEqual(
          cluster_config,
          (
              '{"cluster": {"worker": ["worker0.example.com:2221"],'
              '"chief": ["chief.example.com:2222"]},'
              '"task": {"type": "worker", "index": 0}}'
          ),
      )
  
file_path: ddsp/ddsp/training/docker/task_test.py
imports: import os
  from unittest import mock
  from ddsp.training.docker import task
  import tensorflow.compat.v2
label_desc: Use image node_id 5 for calling the GetWorkerBehaviorInfoTest obj's underlying member method code with example usage: obj.test_multi_worker_as_worker() without return types