@Override
          public void run2() throws CacheException {
            Region r = getCache().getRegion(REGION_NAME);

            String poolName = r.getAttributes().getPoolName();
            final PoolImpl pool = (PoolImpl) PoolManager.find(poolName);
            await()
                .until(() -> !hasEndPointWithPort(pool, PORT1));
          }
This tests whether the updates are received by other clients or not , if there are situation of
Interest List fail over
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/tier/sockets/UpdatePropagationDistributedTest.java