code: def mock_openai_handler_class():
      # let the openai handler use the arg probing mixin
      class MockOpenAIHandler(OpenAIHandler, ArgProbeMixin):
          def __init__(self, **kwargs):
              ...
  
      return MockOpenAIHandler
  
file_path: mindsdb/tests/unit/test_arg_probing.py
imports: import pytest
  from mindsdb.integrations.handlers.openai_handler.openai_handler import OpenAIHandler
  from mindsdb.integrations.handlers.statsforecast_handler.statsforecast_handler import StatsForecastHandler
  from mindsdb.integrations.libs.base import ArgProbeMixin
label_desc: Use image node_id 2 for calling a global function with example usage: mock_openai_handler_class() and returns: MockOpenAIHandler