text: var eb = new EventBus();
  
  eb.onopen = function () {
    var testService = new TestService(eb, 'someaddress');
  
    var s = testService.fluentMethod("foo", function (err, res) {
      if (err) {
        vertx.eventBus().send("testaddress", "unexpected failure " + err);
      } else if (res != 'bar') {
        vertx.eventBus().send("testaddress", "unexpected result " + res);
      } else if (s != testService) {
        vertx.eventBus().send("testaddress", "no fluent");
      } else {
        vertx.eventBus().send("testaddress", "ok");
      }
    });
  };
  