orderLine1.addLabel(label2);
orderElementDAO.save(orderLine1);
OrderLine orderLine2 = createValidOrderLine();
orderElementDAO.save(orderLine2);
OrderLine orderLine3 = createValidOrderLine();
orderLine3.addLabel(label2);
orderElementDAO.save(orderLine3);
List<OrderElement> orderELements = orderElementDAO
.findByLabelsAndCriteria(Collections.singleton(label1), null);
assertEquals(1, orderELements.size());