def METHOD_NAME():
    """
    test uninstall function with unknown error
    """
    mock_retcode = MagicMock(return_value=1234)
    path = "C:\\KB123456.msu"
    with patch.dict(win_wusa.__salt__, {"cmd.retcode": mock_retcode}), patch(
        "os.path.exists", MagicMock(return_value=True)
    ), pytest.raises(CommandExecutionError) as excinfo:
        win_wusa.uninstall(path)
    mock_retcode.assert_called_once_with(
        ["wusa.exe", "/uninstall", "/quiet", path, "/norestart"],
        ignore_retcode=True,
    )
    assert "Unknown error: 1234" == excinfo.value.message