@Override
            public void afterUpdate(EntryEvent event) {
              // make the slow receiver event slower!
              try {
                Thread.sleep(500);
              } catch (InterruptedException shuttingDown) {
                fail("interrupted");
              }
            }
Test to make sure slow receiver queuing is working

@since GemFire 4.2.1
geode-core/src/distributedTest/java/org/apache/geode/cache30/SlowRecDUnitTest.java