class_docstr: Test the config system.
class_docstr_tok: ["Test","the","config","system","."]
code: def test_check_conflicts_server_csrf(self, get_logger):
      config._set_option("server.enableXsrfProtection", True, "test")
      config._set_option("server.enableCORS", True, "test")
      mock_logger = get_logger()
      config._check_conflicts()
      mock_logger.warning.assert_called_once()
  
imports: import copy
  import os
  import textwrap
  import unittest
  from unittest.mock import MagicMock, mock_open, patch
  import pytest
  from parameterized import parameterized
  from streamlit import config, env_util
  from streamlit.config_option import ConfigOption
  from streamlit.errors import StreamlitAPIException
label_desc: Use image node_id 21 for calling the ConfigTest obj's underlying member method code with example usage: obj.test_check_conflicts_server_csrf(get_logger) without return types