private Region<Object, Object> createRegion(boolean isOffHeap) {
    return cache.createRegionFactory(RegionShortcut.REPLICATE).setOffHeap(isOffHeap)
        .setConcurrencyChecksEnabled(true).create(REGION);
  }
TestCase that emulates the conditions that entry destroy with concurrent destroy region or cache
close event will get expected Exception.
geode-core/src/integrationTest/java/org/apache/geode/internal/cache/map/DestroyEntryDuringCloseIntegrationTest.java