def METHOD_NAME(self):
    headers = (('translations', ('property', 'en')),)
    data = (('translation.always.upload', 'Miley'),)
    f = self._build_translation_download_file(headers, data)
    translations, error_properties, warnings = process_ui_translation_upload(self.app, f)
    update_app_translations_from_trans_dict(self.app, translations)
    self.assertDictEqual(self.app.translations['en'], {'translation.always.upload': 'Miley'})
    self.assertDictEqual(self.app.translations['fra'], INITIAL_TRANSLATIONS['fra'])