code: def test_graph_modelling_language_using_select_speaker(save=False):
      run_notebook(
          "agentchat_graph_modelling_language_using_select_speaker.ipynb",
          save=save,
      )
  
file_path: autogen/test/test_notebook.py
imports: import sys
  import os
  import pytest
  from conftest import skip_openai
label_desc: Use image node_id 10 for calling a global function with example usage: test_graph_modelling_language_using_select_speaker(save) without return types