assertNotNull(pc);
assertEquals(10, pc.getIgnoreUpdate());
startTx(pm);
pc.setIgnoreUpdate(100);
assertFalse(pm.isDirty(pc));
pm.transactional(pc, false);
endTx(pm);
assertEquals(10, pc.getIgnoreUpdate());
endEm(pm);
pm = (OpenJPAEntityManager) currentEntityManager();