code: def test_1_9_config(self):
      from airflow.logging_config import configure_logging
  
      with conf_vars({("logging", "task_log_reader"): "file.task"}):
          with pytest.warns(DeprecationWarning, match=r"file.task"):
              configure_logging()
          assert conf.get("logging", "task_log_reader") == "task"
  
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 9 for calling the TestLoggingSettings obj's underlying member method code with example usage: obj.test_1_9_config() without return types