raftstore: make release work (tikv#15850)

close tikv#15851

Signed-off-by: bufferflies <1045931706@qq.com>

components/raftstore/src/store/fsm/peer.rs

@@ -6067,6 +6067,7 @@ where
             );
         } else {
             // it means the buckets key range not any change, so don't need to refresh.
+            #[cfg(any(test, feature = "testexport"))]
             test_only_callback(_cb, region_buckets.meta);
             return;
         }