class_docstr: Test the config system.
class_docstr_tok: ["Test","the","config","system","."]
docstr: Test that unscriptable options cannot be set with st.set_option.
code: def test_set_user_option_unscriptable(self):
      """Test that unscriptable options cannot be set with st.set_option."""
      # This is set in lib/tests/conftest.py to off
      self.assertEqual(True, config.get_option("server.enableCORS"))
  
      with self.assertRaises(StreamlitAPIException):
          config.set_user_option("server.enableCORS", False)
  
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 4 for calling the ConfigTest obj's underlying member method code with example usage: obj.test_set_user_option_unscriptable() without return types