private static void createRegionQueue2() throws Exception {
    HARegionQueueDUnitTest test = new HARegionQueueDUnitTest();
    cache = test.createCache();
    /*
     * AttributesFactory factory = new AttributesFactory(); factory.setScope(Scope.DISTRIBUTED_ACK);
     * factory.setDataPolicy(DataPolicy.REPLICATE);
     */
    HARegionQueueAttributes harqAttr = new HARegionQueueAttributes();
    harqAttr.setExpiryTime(3);
    hrq = HARegionQueue.getHARegionQueueInstance("HARegionQueueDUnitTest_region", cache, harqAttr,
        HARegionQueue.NON_BLOCKING_HA_QUEUE, false, disabledClock());
  }
create a client with 2 regions sharing a common writer
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/ha/HARegionQueueDUnitTest.java