@Override
  protected void setUpConfig() {
    super.setUpConfig();

    IoTDBSubscriptionITConstant.FORCE_SCALABLE_SINGLE_NODE_MODE.accept(sender);
    IoTDBSubscriptionITConstant.FORCE_SCALABLE_SINGLE_NODE_MODE.accept(receiver1);
    IoTDBSubscriptionITConstant.FORCE_SCALABLE_SINGLE_NODE_MODE.accept(receiver2);
  }
1 consumer subscribes to 2 topics: historical data
integration-test/src/test/java/org/apache/iotdb/subscription/it/triple/treemodel/regression/pullconsumer/multi/IoTDBOneConsumerMultiTopicsTsfileIT.java