long getValue(long expectedTime) {
    if (expectedTime < 200) {
      return 20000 + expectedTime;
    } else if (expectedTime < 260
        || (expectedTime >= 300 && expectedTime < 380)
        || expectedTime >= 400) {
      return 10000 + expectedTime;
    } else {
      return expectedTime;
    }
  }
The original data and structure of this test is same as {@link MergeTreeSortOperatorTest}.
iotdb-core/datanode/src/test/java/org/apache/iotdb/db/queryengine/execution/operator/TreeTopKOperatorTest.java