public void run() {
                    try {
                        String remoteAddr = serverUserProcessor.getRemoteAddr();
                        Assert.assertNotNull(remoteAddr);
                        RequestBody req = new RequestBody(1, 1024);
                        for (int i = 0; i < invokeTimes; i++) {
                            String clientres = (String) server.getRpcServer().invokeSync(
                                remoteAddr, req, 1000);
                            Assert.assertEquals(clientres, RequestBody.DEFAULT_CLIENT_RETURN_STR);
                        }
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    } catch (RemotingException e) {
                        e.printStackTrace();
                    }
                }
water mark normal test, set a large enough buffer mark, and not trigger write over flow.

@author xiaomin.cxm
@version $Id: WaterMarkTest.java, v 0.1 Apr 6, 2016 8:58:36 PM xiaomin.cxm Exp $
src/test/java/com/alipay/remoting/rpc/watermark/WaterMarkTest.java