@Override
      public Object load(LoaderHelper helper) throws CacheLoaderException {

        try {
          Thread.sleep(20);

        } catch (InterruptedException ex) {
          fail("Why was I interrupted?");
        }
        return "Loaded";
      }
Tests that we are in {@link GemFireHealth#OKAY_HEALTH okay} health if cache loads take too
long.

See CacheHealthEvaluator#checkLoadTime(List)
geode-core/src/integrationTest/java/org/apache/geode/admin/internal/CacheHealthEvaluatorJUnitTest.java