Well, I see no reason to test for other people's code not working property, but the just-expired case intrigues me. I would have thought [test_clear_cache](https://github.com/grosser/arturo/blob/0e26016f21f13e99cb1214f4f916f0192119593c/test/dummy_app/test/unit/cache_test.rb#L73) handles that.