clock.advanceTime(5, TimeUnit.MINUTES);
bedEventsEP.insert(new MonitorEvent(patient, MonitorEvent.Symptom.HIGH_TEMPERATURE));
ksession.fireAllRules();
assertEquals(1,nurse.getNotifications().size());
nurse.clearNotifications();
//Third event: 15 minutes after the last one
clock.advanceTime(15, TimeUnit.MINUTES);
bedEventsEP.insert(new MonitorEvent(patient, MonitorEvent.Symptom.HIGH_TEMPERATURE));
ksession.fireAllRules();