code: def test_process_server_smoke(dash_process_server):
      cwd = os.getcwd()
      this_dir = os.path.dirname(__file__)
      assets_dir = os.path.abspath(
          os.path.join(this_dir, "..", "assets")
      )
      try:
          os.chdir(assets_dir)
          dash_process_server("simple_app")
          r = requests.get(dash_process_server.url)
          assert r.status_code == 200, "the server is reachable"
          assert (
              'id="react-entry-point"' in r.text
          ), "the entrypoint is present"
      finally:
          os.chdir(cwd)
  
file_path: dash/tests/unit/test_app_runners.py
imports: import os
  import sys
  import requests
  import pytest
  import dash
  from dash import html
label_desc: Use image node_id 2 for calling a global function with example usage: test_process_server_smoke(dash_process_server) without return types