def METHOD_NAME(self):
    """Verifies the correct operation of get_setting() by using it to
    return a default value when an unknown setting is requested.
    """
    settings_view = self._settings_view_factory.create_settings_view(
        self._current_root_hash)
    self.assertEqual('default',
                     settings_view.get_setting('non-existant.setting',
                                               default_value='default'))