private void doOrderingTest(boolean rollback) {
Map<String, String> props = new HashMap<String, String>();
props.put("openjpa.SavepointManager",
TrackingSavepointManager.class.getName());
OpenJPAEntityManagerFactory pmf = getEmf(props);
OpenJPAEntityManager pm = pmf.createEntityManager();
startTx(pm);
pm.setSavepoint("before");
pm.setSavepoint("before2");
pm.setSavepoint("test");
pm.setSavepoint("test2");