def test_contact_settings_langauge(self):
        en_conn = self.create_lang_connection('1000000000', 'en')
        with override_settings(LANGUAGE_CODE='es'):
            self.receive('lang-hello', en_conn)
            self.assertEqual(self.outbound[0].text, 'hello')
settings.LANGUAGE_CODE should not override Contact preference.
dataset/ETHPy150Open rapidsms/rapidsms/rapidsms/tests/translation/tests.py/TranslationRoutingTest.test_contact_settings_langauge