@Test public void verifySavingServiceChangesDn() { this.dao.save(getRegexRegisteredService()); final List<RegisteredService> services = this.dao.load(); final AbstractRegisteredService rs = (AbstractRegisteredService) this.dao.findServiceById(services.get(0).getId()); final long originalId = rs.getId(); assertNotNull(rs); rs.setId(666); assertNotNull(this.dao.save(rs)); assertNotEquals(rs.getId(), originalId); }