@Test
public void xupdateReplace() {
DocumentSet docs = configureAndStore(COLLECTION_CONFIG2, XML2, "xupdate.xml");
DBBroker broker = null;
TransactionManager transact = null;
Txn transaction = null;
try {
broker = pool.get(pool.getSecurityManager().getSystemSubject());
transact = pool.getTransactionManager();
transaction = transact.beginTransaction();