@Override
      public void afterRegionDestroy(RegionEvent event) {
        if (!event.getOperation().isClose()) {
          fail("Unexpected invocation of afterRegionDestroy");
        }
      }
Test to make sure CacheListener callbacks are called in place with the CacheEvents properly
constructed
geode-core/src/integrationTest/java/org/apache/geode/TXJUnitTest.java