code: def test_websocket_max_message_size_bytes() -> None:
      app = Application()
      t = bst.BokehTornado(
          {"/": app}, websocket_max_message_size_bytes=12345
      )
      assert t.settings["websocket_max_message_size"] == 12345
  
imports: from __future__ import annotations
  import pytest
  import json
  import logging
  from _util_server import http_get, url
  from tornado.web import StaticFileHandler
  from bokeh.application import Application
  from bokeh.client import pull_session
  from bokeh.core.types import ID
  from bokeh.server.auth_provider import NullAuth
  from bokeh.server.views.static_handler import StaticHandler
  from bokeh.server.views.ws import WSHandler
  from tests.support.plugins.managed_server_loop import MSL
  from tests.support.util.env import envset
  import bokeh.server.tornado
label_desc: Use image node_id 8 for calling a global function with example usage: test_websocket_max_message_size_bytes() without return types