private void testOnlyOnePutOnChildUpdate(StartEnd startEnd) throws Throwable {
testOnlyOnePutOnChildUpdate(new HasOneToManyListJPA(), new BidirTopList(),
startEnd);
testOnlyOnePutOnChildUpdate(new HasOneToManyListJPA(), new BidirMiddleList(),
startEnd);
testOnlyOnePutOnChildUpdate(new HasOneToManyListJPA(), new BidirBottomList(),
startEnd);
}