@After
    public void after() {
        if (CProvider != null) {
            CProvider.unExport();
        }
        if (BConsumer != null) {
            BConsumer.unRefer();
        }
        if (serverConfig != null) {
            serverConfig.destroy();
        }
    }
@author <a href="mailto:zhanggeng.zg@antfin.com">GengZhang</a>
test/test-integration/src/test/java/com/alipay/sofa/rpc/test/invoke/AsyncCallbackTest.java