code: def test_configuring_buttons(self):
      chatbot = gr.ChatInterface(
          double, submit_btn=None, retry_btn=None
      )
      assert chatbot.submit_btn is None
      assert chatbot.retry_btn is None
  
imports: import tempfile
  from concurrent.futures import wait
  from pathlib import Path
  from unittest.mock import patch
  import pytest
  import gradio
label_desc: Use image node_id 2 for calling the TestInit obj's underlying member method code with example usage: obj.test_configuring_buttons() without return types