assertFalse(model.isNewsExpanded(fFactory.createNews(5L, fFactory.createFeed(null, URI.create("rssowl.org")), new Date())));
assertTrue(model.isGroupExpanded(5L));
assertEquals(-1L, model.nextNews(false, -1L));
assertEquals(-1L, model.previousNews(false, -1L));
assertEquals(-1L, model.nextNews(true, -1L));
assertEquals(-1L, model.previousNews(true, -1L));
assertEquals(-1L, model.nextNews(false, 5L));
assertEquals(-1L, model.previousNews(false, 5L));
assertEquals(-1L, model.nextNews(true, 5L));
assertEquals(-1L, model.previousNews(true, 5L));
assertEquals(-1L, model.removeNews(fFactory.createNews(5L, fFactory.createFeed(null, URI.create("rssowl.org")), new Date())));