change host for async timeout test

Author: Al S-M

org.eclipse.paho.client.mqttv3.test/src/test/java/org/eclipse/paho/client/mqttv3/test/SendReceiveAsyncTest.java

@@ -603,7 +603,7 @@ public void testConnectTimeout() throws Exception {
 
 	  IMqttAsyncClient mqttClient = null;
 	  // Change the URI to a none MQTT server
-	  URI uri = new URI("tcp://ibmbjclub.org:22");
+	  URI uri = new URI("tcp://iot.eclipse.org:22");
 	  IMqttToken connectToken = null;
 	  try {
 		  mqttClient = clientFactory.createMqttAsyncClient(uri, methodName);
@@ -650,4 +650,4 @@ public void testConnectTimeout() throws Exception {
 
 	  log.exiting(className, methodName);
   }
-}
+}