testSubject.add(aggregate);
CurrentUnitOfWork.commit();
DefaultUnitOfWork.startAndGet();
StubAggregate loadedAggregate = testSubject.load(aggregate.getIdentifier(), 0L);
loadedAggregate.doSomething();
CurrentUnitOfWork.commit();
// this tricks the UnitOfWork to save this aggregate, without loading it.
DefaultUnitOfWork.startAndGet();
CurrentUnitOfWork.get().registerAggregate(loadedAggregate,