def METHOD_NAME(self):
    with self.launch_editor(multi_select_custom_view) as (foo, editor):
        dates = [datetime.date(2018, 2, 3), datetime.date(2018, 2, 1)]
        for date in dates:
            self.click_date_on_editor(editor, date)
        for date in dates:
            self.check_select_status(
                editor=editor, date=date, selected=True
            )
        self.assertEqual(foo.dates, sorted(dates))