Mute flaky test RemoteFsTimestampAwareTranslogTests.testSimpleOperati…

…onsUpload (#15732)

Signed-off-by: Sachin Kale <kalsac@amazon.com>
Co-authored-by: Sachin Kale <kalsac@amazon.com>
(cherry picked from commit 375dda3)
Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

server/src/test/java/org/opensearch/index/translog/RemoteFsTimestampAwareTranslogTests.java

@@ -277,6 +277,7 @@ public void testIndexDeletionWithNoPinnedTimestampButRecentFiles() throws Except
     }
 
     @Override
+    @AwaitsFix(bugUrl = "https://github.com/opensearch-project/OpenSearch/issues/15731")
     public void testSimpleOperationsUpload() throws Exception {
         ArrayList<Translog.Operation> ops = new ArrayList<>();