code: def test_setup_tunnel():
      io = Interface(lambda x: x, "number", "number")
      io.launch(show_error=True, prevent_thread_lock=True)
      share_url = networking.setup_tunnel(
          io.server_name,
          io.server_port,
          io.share_token,
          io.share_server_address,
      )
      assert isinstance(share_url, str)
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_setup_tunnel() without return types