def test___init__(self):
        self.assertEqual(self._settings_mapping.deco_class, self.__class__)

    ## TO DO - howdya test THIS?
    ## Implicitly, it gets tested and the descriptors it creates get tested.
    ## make_setting_descriptor is a classmethod.
    # def test_make_setting_descriptor(self):
    #     descr = DecoSettingsMapping.make_setting_descriptor('key')
    #     self.fail()
Checks a file is executable
dataset/ETHPy150Open Twangist/log_calls/log_calls/tests/test_deco_settings.py/TestDecoSettingsMapping.test___init__--crossover with--dataset/ETHPy150Open femmerling/backyard/virtualenv.py/is_executable