def test_add_already_added(self):
        prio_set_list = event._PrioritizedSetList()
        obj = object()
        prio_set_list.add(0, obj)

        with pytest.raises(ValueError) as excinfo:
            prio_set_list.add(0, obj)
        excinfo.match(r"has already been added")

        with pytest.raises(ValueError) as excinfo:
            prio_set_list.add(1, obj)
        excinfo.match(r"has already been added")
def test_when_no_users_returned_no_data_should_be_returned(verbose):
    expected_users = {} if verbose else []
    with patch.dict(
        pdbedit.__salt__,
        {
            "cmd.run_all": MagicMock(
                return_value={"stdout": "", "stderr": "", "retcode": 0}
            )
        },
    ):
        actual_users = pdbedit.list_users(verbose=verbose)

    assert actual_users == expected_users