code: def test_loading_valid_complex_local_settings(self):
      # Test what happens when the config is somewhere in a subfolder
      module_structure = "etc.airflow.config"
      dir_structure = module_structure.replace(".", "/")
      with settings_context(SETTINGS_FILE_VALID, dir_structure):
          from airflow.logging_config import configure_logging, log
  
          with patch.object(log, "info") as mock_info:
              configure_logging()
              mock_info.assert_called_once_with(
                  "Successfully imported user-defined logging config from %s",
                  f"etc.airflow.config.{SETTINGS_DEFAULT_NAME}.LOGGING_CONFIG",
              )
  
imports: from __future__ import annotations
  import contextlib
  import importlib
  import logging
  import os
  import pathlib
  import sys
  import tempfile
  from unittest.mock import patch
  import pytest
  from airflow.configuration import conf
  from tests.test_utils.config import conf_vars
label_desc: Use image node_id 4 for calling the TestLoggingSettings obj's underlying member method code with example usage: obj.test_loading_valid_complex_local_settings() without return types