def METHOD_NAME(self):
    page = OptionsPage.from_json(
        {
            'actions': {
                'POST': {'username': {'type': 'string', 'help_text': 'Please specify a username', 'required': True}},
            }
        }
    )
    options = ResourceOptionsParser(None, page, 'users', self.parser)
    options.build_query_arguments('create', 'POST')
    assert 'create' in self.parser.choices
    out = StringIO()
    self.parser.choices['create'].print_help(out)
    assert '--username TEXT  Please specify a username'