    badwidget = widget.TextBox("I am a naughty widget.")

    config = minimal_conf_noscreen
    config.screens = [
        libqtile.config.Screen(
            **{position: libqtile.bar.Bar([badwidget], 10)}
        )
    ]

    manager_nospawn.start(config)

    testbar = manager_nospawn.c.bar[position]