code: def test_theme_builder_launches():
      gr.themes.builder(prevent_thread_lock=True)
      gr.close_all()
  
imports: import tempfile
  from unittest.mock import patch
  import huggingface_hub
  import pytest
  from huggingface_hub.hf_api import SpaceInfo
  import gradio
  from gradio.themes.utils import ThemeAsset, get_matching_version, get_theme_assets
label_desc: Use image node_id 1 for calling a global function with example usage: test_theme_builder_launches() without return types