def METHOD_NAME(self, mocked_dataset):
    pattern = r"The node's output keys {'ret'} do not match "
    pattern += r"with the returned output's keys"
    with pytest.raises(ValueError, match=pattern):
        node(one_in_dict_out, "ds1", {"ret": "B", "ans": "C"}).run(
            {"ds1": mocked_dataset}
        )