);     tracker.clearChangedIDs();     tracker.resetScore();     Svc.Obs.notify("weave:engine:stop-tracking");     createPassword();     do_check_empty(tracker.changedIDs);     do_check_eq(tracker.score, 0);      _("Notifying twice won't do any harm.");     Svc.Obs.notify("weave:engine:stop-tracking");     createPassword();     do_check_empty(tracker.changedIDs);     do_check_eq(tracker.score, 0);    