final URI link = URI.create(linkAdr);
final String id = "http://www.semagia.com/test";
final String title = "title";
final long updated = now();
final MediaType mt = MediaType.ATOM_XML;
final ISnapshotInfo snapInfo = new SnapshotInfo(id, title, updated, mt, "snapId");
feed.addEntry(snapInfo, link);
assertEquals(1, feed.getEntries().size());
final ISnapshotEntry entry = feed.getEntries().iterator().next();
assertNotNull(entry);
assertEquals(id, entry.getId());