code: def test_app_state_with_no_env_var(**__):
      state = AppState()
      assert state._host == "http://127.0.0.1"
      assert state._port == 7501
      assert state._url == "http://127.0.0.1:7501"
  
imports: import os
  from re import escape
  from unittest import mock
  import lightning.app
  import pytest
  import requests
  from lightning.app import LightningApp, LightningFlow, LightningWork
  from lightning.app.structures import Dict, List
  from lightning.app.utilities.app_helpers import AppStatePlugin, BaseStatePlugin
  from lightning.app.utilities.state import AppState
  from lightning_cloud.openapi import Externalv1LightningappInstance, V1LightningappInstanceStatus
label_desc: Use image node_id 11 for calling a global function with example usage: test_app_state_with_no_env_var() without return types