def testDiffSettings(self):
    self.assertCommandSucceeds("diffsettings")
DownloadMixin.was_modified_since() delegates to file wrapper.
dataset/ETHPy150Open CollabQ/CollabQ/appengine_django/tests/commands_test.py/CommandsTest.testDiffSettings--crossover with--dataset/ETHPy150Open benoitbryon/django-downloadview/tests/views.py/DownloadMixinTestCase.test_was_modified_since_specific