def test_missing_adjustments(self):
        nonexistant = 'daguerre/test/nonexistant.png'
        if default_storage.exists(nonexistant):
            default_storage.delete(nonexistant)

        storage_path = self.create_image('100x100.png')
        adjusted1 = AdjustedImage.objects.create(requested='fit|50|50',
                                                 storage_path=storage_path,
                                                 adjusted=nonexistant)
        AdjustedImage.objects.create(requested='fit|50|50',
                                     storage_path=storage_path,
                                     adjusted=storage_path)
        clean = Clean()
        self.assertEqual(list(clean._missing_adjustments()), [adjusted1])
        default_storage.delete(storage_path)
_missing_adjustments should return AdjustedImages whose adjusted
dataset/ETHPy150Open littleweaver/django-daguerre/daguerre/tests/unit/test_management.py/CleanTestCase.test_missing_adjustments