def METHOD_NAME():
    dbm = DBMan(config.LOSTConfig())
    test_user = testils.get_user(dbm)
    tree = testils.get_voc_label_tree(dbm)
    label_leaf_id = tree.get_child_vec(tree.root.idx)[0]
    twod_anno = model.TwoDAnno(
        data=json.dumps(
            {
                'x':REF_BBOX[0],
                'y':REF_BBOX[1],
                'w':REF_BBOX[2],
                'h':REF_BBOX[3]
            }
        ),
        dtype=dtype.TwoDAnno.BBOX
    )
    lbl = model.Label(label_leaf_id=label_leaf_id)
    twod_anno.labels.append(lbl)
    twod_anno.annotator = test_user
    dbm.add(twod_anno)
    dbm.commit()
    yield twod_anno
    dbm.delete(twod_anno)
    dbm.commit()
    # testils.delete_user(dbm, test_user)