public void MultitableFindTest() { // 'FindMultiple' function uses a query with INNER JOIN to avoid a second trip to the DB var albumRepo = new AlbumRepository(); Guid uniqueId; Guid.TryParse("02545961-2a64-4fdd-8c4d-7cc8bd5c6857", out uniqueId); var album = albumRepo.FindMultitable(uniqueId); Debug.Assert(album.Id != null); }