yoke.use(new BodyParser());
yoke.use(com.jetdrone.vertx.yoke.middleware.Router.from(new R3()));
Buffer body = new Buffer("{}");
MultiMap headers = new CaseInsensitiveMultiMap();
headers.add("content-type", "application/json");
headers.add("content-length", Integer.toString(body.length()));
new YokeTester(yoke).request("POST", "/api", headers, body, new Handler<Response>() {
@Override
public void handle(Response resp) {
assertEquals(400, resp.getStatusCode());