public void go() throws Exception {
StompConnection connection = new StompConnection();
Integer port = Integer.parseInt(connectionUri.split(":")[2]);
connection.open("localhost", port);
connection.connect("", "");
connection.subscribe("/topic/foobar", Stomp.Headers.Subscribe.AckModeValues.CLIENT);
connection.disconnect();
Thread.sleep(1000);
if (failed.get()) {
fail("Received NullPointerException");