private List<ClusterSchemaTree> generateSchemaTrees() throws Exception {
    List<ClusterSchemaTree> schemaTreeList = new ArrayList<>();
    ClusterSchemaTree schemaTree;
    List<MeasurementPath> measurementPathList = generateMeasurementPathList();
    List<MeasurementPath> list;
    for (int i = 0; i < 6; i += 2) {
      list = new ArrayList<>();
      list.add(measurementPathList.get(i));
      list.add(measurementPathList.get(i + 1));

      schemaTree = new ClusterSchemaTree();
      schemaTree.appendMeasurementPaths(list);
      schemaTreeList.add(schemaTree);
    }
    return schemaTreeList;
  }
Generate the following tree: root.sg.d1.s1, root.sg.d1.s2(status) root.sg.d2.s1,
root.sg.d2.s2(status) root.sg.d2.a.s1, root.sg.d2.a.s2(status)
iotdb-core/datanode/src/test/java/org/apache/iotdb/db/queryengine/common/schematree/ClusterSchemaTreeTest.java