code: def test_is_running_in_cloud(monkeypatch):
      from app import Main
  
      monkeypatch.setenv("LIGHTNING_CLOUD_APP_ID", "anything")
      app = Main()
      assert app.running_in_cloud
  
      monkeypatch.delenv("LIGHTNING_CLOUD_APP_ID", raising=False)
      app = Main()
      assert not app.running_in_cloud
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_is_running_in_cloud(monkeypatch) without return types