def METHOD_NAME(self):
    """Bare-ASCII search, with umlaut.
    Finds entry with 'u' not 'ue', although German speaker would
    normally replace ü with ue.
    This is expected behaviour for this simple plugin.
    """
    items = self.lib.items('#Brüggen')
    self.assertEqual(len(items), 2)
    self.assertEqual(
        {items[0].title, items[1].title},
        {'without umlaut or e', 'with umlaut'}
    )