code: def test_load_default_user_settings(mocker):
      q = mock.MagicMock()
      q.client = dict()
      mocker.patch(
          "app_utils.utils.setting_utils.clear_secrets",
          return_value=None,
      )
      load_default_user_settings(q)
      assert set(q.client.keys()) == set(
          default_cfg.user_settings.keys()
      )
  
imports: from unittest import mock
  from llm_studio.app_utils.config import default_cfg
  from llm_studio.app_utils.setting_utils import EnvFileSaver, KeyRingSaver, NoSaver, Secrets, load_default_user_settings
label_desc: Use image node_id 5 for calling a global function with example usage: test_load_default_user_settings(mocker) without return types