    @Test
    public void testGetProxy() throws Exception {

        Proxy proxy1 = new Proxy("127.0.0.1", 80);
        Proxy proxy2 = new Proxy("127.0.0.2", 81);

        SimpleProxyProvider simpleProxyProvider = SimpleProxyProvider.store(proxy1, proxy2);
        Proxy proxy = simpleProxyProvider.getProxy(task);
        System.out.println(proxy);
        proxy = simpleProxyProvider.getProxy(task);
        System.out.println(proxy);
        proxy = simpleProxyProvider.getProxy(task);
        System.out.println(proxy);
    }