iswf.beginTran();
parent1 = repo.list().get(0);
parent2 = repo.list().get(0);
Set<BidirWithSetChildEntity> children = parent1.getChildren();
assertThat(children.size(), is(3));
BidirWithSetChildEntity child1 = parent1.getChildren().iterator().next();
child1.moveTo(parent2);
iswf.commitTran();
iswf.bounceSystem();
iswf.beginTran();