def METHOD_NAME():
    op = MultiTaskIDQuery()
    assert op.query(task_ids="mp-149, mp-13") == {
        "criteria": {"task_ids": {"$in": ["mp-149", "mp-13"]}}
    }
    with ScratchDir("."):
        dumpfn(op, "temp.json")
        new_op = loadfn("temp.json")
        assert new_op.query(task_ids="mp-149, mp-13") == {
            "criteria": {"task_ids": {"$in": ["mp-149", "mp-13"]}}
        }