INews news3 = new News(null, feed, new Date());
news3.setPublishDate(new Date(System.currentTimeMillis() + 1000));
feed.addNews(news1);
feed.addNews(news2);
feed.addNews(news3);
NewsEvent event1 = new NewsEvent(news1, news2, true);
assertEquals(false, ModelUtils.isDateChange(new HashSet<ModelEvent>(Arrays.asList(new ModelEvent[] { event1 }))));
event1 = new NewsEvent(news1, news3, true);