def METHOD_NAME():
    alist = AggregatedList()
    params = {"a": 1, "b": 2}
    item = "qwerty"
    items = [item, item]
    alist.add(params, items)
    assert len(alist.dump()) == 1
    assert alist.dump()[0]["items"] == [item]
    assert alist.dump()[0]["params"] == params