ensure connections are closed (so all messages are fludshed to the broker) before testing message delivery

git-svn-id: https://svn.apache.org/repos/asf/activemq/trunk@516067 13f79535-47bb-0310-9956-ffa450edef68

activemq-core/src/test/java/org/apache/activemq/broker/XARecoveryBrokerTest.java

@@ -190,7 +190,7 @@ public class XARecoveryBrokerTest extends BrokerRestartTestSupport {
             connection.send(ack);
         }        
         // Commit
-        connection.send(createCommitTransaction1Phase(connectionInfo, txid));
+        connection.request(createCommitTransaction1Phase(connectionInfo, txid));
         
         // restart the broker.
         restartBroker();