[ISSUE #9912] Reduce excessive requests for consumer offset timestamps in tiered storage

Author: lizhimins

tieredstore/src/test/java/org/apache/rocketmq/tieredstore/TieredMessageStoreTest.java

@@ -268,8 +268,10 @@ public void testGetMessageStoreTimeStampAsync() {
         configuration.update(properties);
         Assert.assertEquals(1, (long) currentStore.getMessageStoreTimeStampAsync(mq.getTopic(), mq.getQueueId(), 0).join());
 
+        // If data cannot be fetched from tiered storage,
+        // there is no need to fallback to local storage.
         Mockito.when(fetcher.getMessageStoreTimeStampAsync(anyString(), anyInt(), anyLong())).thenReturn(CompletableFuture.completedFuture(-1L));
-        Assert.assertEquals(3, (long) currentStore.getMessageStoreTimeStampAsync(mq.getTopic(), mq.getQueueId(), 0).join());
+        Assert.assertEquals(-1L, (long) currentStore.getMessageStoreTimeStampAsync(mq.getTopic(), mq.getQueueId(), 0).join());
     }
 
     @Test