code: def test_live_run_wrong_model(self, chat_messages):
      component = OpenAIChatGenerator(
          model="something-obviously-wrong",
          api_key=os.environ.get("OPENAI_API_KEY"),
      )
      with pytest.raises(OpenAIError):
          component.run(chat_messages)
  
imports: import os
  import pytest
  from openai import OpenAIError
  from haystack.components.generators.chat import OpenAIChatGenerator
  from haystack.components.generators.utils import default_streaming_callback
  from haystack.dataclasses import ChatMessage, StreamingChunk
label_desc: Use image node_id 14 for calling the TestOpenAIChatGenerator obj's underlying member method code with example usage: obj.test_live_run_wrong_model(chat_messages) without return types