@Override
  public Object load(LoaderHelper helper) {
    Long key = (Long) helper.getKey();
    return "LoadedValue" + "_" + key;
  }
Returns true if the test should create off-heap regions. OffHeap tests should over-ride this
method and return false.
geode-dunit/src/main/java/org/apache/geode/internal/cache/wan/AsyncEventQueueTestBase.java