Fixed tests

Author: chiacyu

hadoop-ozone/s3gateway/src/test/java/org/apache/hadoop/ozone/s3/endpoint/TestMultipartUploadWithCopy.java

@@ -113,7 +113,7 @@ public static void setUp() throws Exception {
     // Make sure DELAY_MS has passed, otherwise
     //  afterSourceKeyModificationTimeStr will be in the future
     //  and thus invalid
-    long currentTime = Time.monotonicNow();
+    long currentTime = System.currentTimeMillis();
     long sleepMs = sourceKeyLastModificationTime + DELAY_MS - currentTime;
     if (sleepMs > 0) {
       Thread.sleep(sleepMs);