wineDao.setEntityManager(em);
User user1 = userDao.findByNameAndSurname("Albert", "Sans�");
User user2 = userDao.findByNameAndSurname("Sergi", "Alegre");
Wine wine1 = wineDao.findByName("El meu vi");
Wine wine2 = wineDao.findByName("El meu vi 2");
Wine wine3 = wineDao.findByName("El meu vi 3");
RecommendedItemList rel = null;