public void Join_producers_with_identical_synonyms()
{
var price = TestSupplier.CreateNaked(session).Prices[0];
var producer1 = new TestProducer("Тестовый производитель");
var producer2 = new TestProducer("Тестовый производитель");
var synonym1 = new TestProducerSynonym("Тестовый синоним", producer1, price);
var synonym2 = new TestProducerSynonym("Тестовый синоним", producer2, price);
session.Save(producer1);
session.Save(producer2);
session.Save(synonym1);
session.Save(synonym2);
session.Transaction.Commit();
service.DoJoin(new[] { producer1.Id }, producer2.Id);
}