@Ignore("wait for full fix")
@Test
public void testOrphanRemovalDepDeletion() {
final Zoo zoo = new Zoo().save();
zoo.lion = new Animal();
zoo.save();
zoo.lion = null; // lion escaped from zoo
zoo.save(); // this line causes a violation exception: seems to be due
// to a Hibernate bug (see
// http://stackoverflow.com/questions/20280271/hibernate-jpa-onetoone-orphan-removal-still-not-working-as-of-4-2-7-4-3-0-cr1)