em.getTransaction().commit();
OpenJPAConfiguration conf = emf.getConfiguration();
Object o = em.getObjectId(le);
ClassMetaData meta = JPAFacadeHelper.getMetaData(le);
Object objectId = JPAFacadeHelper.toOpenJPAObjectId(meta, o);
DataCachePCData pcd =
conf.getDataCacheManagerInstance()
.getSystemDataCache().get(objectId);
assertFalse(pcd.isLoaded(meta.getField("stream").getIndex()));
em.close();
}