IFeed parent = fFactory.createFeed(null, new URI("http://www.feed.com"));
INews news = fFactory.createNews(null, parent, new Date());
IFolder folder = fFactory.createFolder(null, null, "folder");
INewsBin newsBin = fFactory.createNewsBin(1L, folder, "newsbin");
INews newsCopy = fFactory.createNews(news, newsBin);
newsCopy.addLabel(fFactory.createLabel(null, "label"));
assertEquals(1, newsCopy.getLabels().size());
Set<ILabel> labels = news.getLabels();
labels.add(fFactory.createLabel(null, "Another label"));
assertEquals(1, labels.size());
}