@Override
        public void run2() throws CacheException {
          DistributedCacheOperation.SLOW_DISTRIBUTION_MS = 0;
        }
This is similar to above test but for PartitionedRegion.
geode-wan/src/distributedTest/java/org/apache/geode/internal/cache/wan/misc/NewWANConcurrencyCheckForDestroyDUnitTest.java