Add more wait time to assertBusy to fix RemoteFsTimestampAwareTranslogTests.testSimpleOperationsUpload (#15865) (#15894)

(cherry picked from commit 92d7fe8)

Signed-off-by: Sachin Kale <[email protected]>
Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: opensearch-trigger-bot[bot]

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

@@ -55,6 +55,7 @@
 import java.util.Set;
 import java.util.TreeSet;
 import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicLong;
 import java.util.function.Supplier;
 import java.util.stream.Collectors;
@@ -310,7 +311,6 @@ 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<>();
 
@@ -366,7 +366,7 @@ public void testSimpleOperationsUpload() throws Exception {
                 10,
                 blobStoreTransferService.listAll(getTranslogDirectory().add(DATA_DIR).add(String.valueOf(primaryTerm.get()))).size()
             );
-        });
+        }, 60, TimeUnit.SECONDS);
     }
 
     @Override