@Before
 public void setup() {
   LOGGER.info("Proxy URL: " + proxyURL);
   Properties props = System.getProperties();
   props.put("http.proxyHost", proxyURL);
   props.put("http.proxyPort", proxyPort);
   start();
   userOne = new TestSubscriber();
   userOne.setUserID(user1);
   userTwo = new TestSubscriber();
   userTwo.setUserID(user2);
   userThree = new TestSubscriber();
   userThree.setUserID(user3);
 }