code: def test_logout_url(self) -> None:
      ac = bsc.ApplicationContext("app", io_loop="ioloop")
      sc = bsc.BokehServerContext(ac)
      c = bsc.BokehSessionContext("id", sc, "doc", logout_url="/logout")
      assert c.session is None
      assert c.request is None
      assert not c.destroyed
      assert c.logout_url == "/logout"
  
file_path: bokeh/tests/unit/bokeh/server/test_contexts.py
imports: from __future__ import annotations
  import pytest
  import asyncio
  import gc
  from tornado.ioloop import IOLoop
  from bokeh.application import Application
  import bokeh.server.contexts
label_desc: Use image node_id 3 for calling the TestBokehSessionContext obj's underlying member method code with example usage: obj.test_logout_url() without return types