docstr: Ensure log defaults are set correctly.
docstr_tok: ["Ensure","log","defaults","are","set","correctly","."]
code: def testDefaultSettings(self):
      """Ensure log defaults are set correctly."""
      config = logging_utils.LoggerConfig()
      self.assertEqual(config.log_root, "/var/tmp/tfx/logs")
      self.assertEqual(config.log_level, logging.INFO)
      self.assertEqual(config.pipeline_name, "")
      self.assertEqual(config.worker_name, "")
  
file_path: tfx/tfx/utils/logging_utils_test.py
imports: import logging
  import os
  import tensorflow
  from tfx.dsl.io import fileio
  from tfx.utils import logging_utils
label_desc: Use image node_id 3 for calling the LoggingUtilsTest obj's underlying member method code with example usage: obj.testDefaultSettings() without return types