@Override
  @After
  public void tearDown() throws Exception {
    consumer.close();
    subs.dropTopic(topicName);
    dropDB(database);
    dropDB(database2);
    super.tearDown();
  }
pull consumer
pattern: ts
loose-range: time
accurate time range
integration-test/src/test/java/org/apache/iotdb/subscription/it/triple/treemodel/regression/pullconsumer/loose_range/IoTDBTimeTsDatasetPullConsumerIT.java