docstr: Test behavior when set TF_CONFIG is incomplete.
docstr_tok: ["Test","behavior","when","set","TF_CONFIG","is","incomplete","."]
code: def test_incomplete_tf_config(self):
      """Test behavior when set TF_CONFIG is incomplete."""
      with mock.patch.dict(
          os.environ, {"TF_CONFIG": '{"cluster": {}}'}
      ):
          cluster_config, save_dir = task.get_worker_behavior_info(
              "some/dir/"
          )
          self.assertEqual(save_dir, "some/dir/")
          self.assertEqual(cluster_config, "")
  
      with mock.patch.dict(os.environ, {"TF_CONFIG": '{"task": {}}'}):
          cluster_config, save_dir = task.get_worker_behavior_info(
              "some/dir/"
          )
          self.assertEqual(save_dir, "some/dir/")
          self.assertEqual(cluster_config, "")
  
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 2 for calling the GetWorkerBehaviorInfoTest obj's underlying member method code with example usage: obj.test_incomplete_tf_config() without return types