class_docstr: Test the config system.
class_docstr_tok: ["Test","the","config","system","."]
docstr: Test that param names must be camelCase.
  
  Note the exception is the "_test" section which is used
  for unit testing.
code: def test_param_names_are_camel_case(self):
      """Test that param names must be camelCase.
  
      Note the exception is the "_test" section which is used
      for unit testing.
      """
      with self.assertRaises(AssertionError):
          config._create_option("_test.snake_case")
  
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 12 for calling the ConfigTest obj's underlying member method code with example usage: obj.test_param_names_are_camel_case() without return types