user1 = new LastFmUser(username1 = "user1");
user2 = new LastFmUser(username2 = "user2");
lastFmDao.createOrUpdateLastFmUser(user1);
lastFmDao.createOrUpdateLastFmUser(user2);
File file1 = UnittestLibraryUtil.getFile("artist1", "album1", "title1");
File file2 = UnittestLibraryUtil.getFile("artist1", "album1", "title2");
File file3 = UnittestLibraryUtil.getFile("artist2", "album2", "title3");
submitFile(additionDao, Arrays.asList(file1, file2, file3));
List<Artist> artists = browserDao.getArtists();
assertEquals(2, artists.size());
artist1 = artists.get(0);