@Override
    public Integer doCall() throws Exception {
        Vertx vertx = null;
        HttpServer server = null;

        try {
            CountDownLatch latch = new CountDownLatch(1);

            vertx = Vertx.vertx();
            server = serve(vertx).toCompletableFuture().get();

            latch.await();
        } finally {
            if (server != null) {
                server.close();
            }
            if (vertx != null) {
                vertx.close();
            }
        }

        return 0;
    }
@Disabled
    @Test
    public void testCall() throws Exception {
        cmd().doCall();
    }