@Test(enabled = true)
public void createData() {
EntityManager em = getEntityManager();
ListJoinColumnBidirectionalInheritanceRefEdParentEntity ed1 = new ListJoinColumnBidirectionalInheritanceRefEdChildEntity("ed1", null, "ed1 child");
ListJoinColumnBidirectionalInheritanceRefEdParentEntity ed2 = new ListJoinColumnBidirectionalInheritanceRefEdChildEntity("ed2", null, "ed2 child");
ListJoinColumnBidirectionalInheritanceRefIngEntity ing1 = new ListJoinColumnBidirectionalInheritanceRefIngEntity("coll1", ed1);
ListJoinColumnBidirectionalInheritanceRefIngEntity ing2 = new ListJoinColumnBidirectionalInheritanceRefIngEntity("coll1", ed2);
// Revision 1 (ing1: ed1, ing2: ed2)
em.getTransaction().begin();
em.persist(ed1);
em.persist(ed2);
em.persist(ing1);
em.persist(ing2);
em.getTransaction().commit();
// Revision 2 (ing1: ed1, ed2)
em.getTransaction().begin();
ing1 = em.find(ListJoinColumnBidirectionalInheritanceRefIngEntity.class, ing1.getId());
ing2 = em.find(ListJoinColumnBidirectionalInheritanceRefIngEntity.class, ing2.getId());
ed1 = em.find(ListJoinColumnBidirectionalInheritanceRefEdParentEntity.class, ed1.getId());
ed2 = em.find(ListJoinColumnBidirectionalInheritanceRefEdParentEntity.class, ed2.getId());
ing2.getReferences().remove(ed2);
ing1.getReferences().add(ed2);
em.getTransaction().commit();
em.clear();
//
ing1_id = ing1.getId();
ing2_id = ing2.getId();
ed1_id = ed1.getId();
ed2_id = ed2.getId();
}