Modify codex

Signed-off-by: Nzhaoyuan17 <zhaoyuan17@huawei.com>

notification/ces_standard/subscribeandpublish/actssubscriberunordersystemtest/entry/src/main/js/test/ActsSubscriber_test_unorder.js

@@ -25,9 +25,7 @@ describe('ActsSubscriberTestUnorderSystem', async function (done) {
 
     function sleep(delay) {
         var start = (new Date()).getTime();
-        while((new Date()).getTime() - start < delay) {
-            continue;   
-        }
+        while((new Date()).getTime() - start < delay) {}
     }
 
     /*