@Override
      public void run2() throws CacheException {
        Region r = cache.getRegion(REGION_NAME);
        String poolName = r.getAttributes().getPoolName();
        assertNotNull(poolName);
        final PoolImpl pool = (PoolImpl) find(poolName);
        assertNotNull(pool);
        WaitCriterion ev = new WaitCriterion() {
          @Override
          public boolean done() {
            return pool.getConnectedServerCount() == 2;
          }

          @Override
          public String description() {
            return null;
          }
        };
        GeodeAwaitility.await().untilAsserted(ev);
      }
This tests whether the destroy are received by the sender or not if there are situation of
Interest List fail over
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/tier/sockets/DestroyEntryPropagationDUnitTest.java