code: def test_get_active_session_info(self):
      session_id = self.connect_session()
  
      active_session_info = self.session_mgr.get_active_session_info(
          session_id
      )
      assert active_session_info.session.id == session_id
  
imports: import unittest
  from unittest.mock import MagicMock, patch
  import pytest
  from streamlit.runtime.script_data import ScriptData
  from streamlit.runtime.session_manager import SessionStorage
  from streamlit.runtime.websocket_session_manager import WebsocketSessionManager
label_desc: Use image node_id 11 for calling the WebsocketSessionManagerTests obj's underlying member method code with example usage: obj.test_get_active_session_info() without return types