def test_get_garage_status_text(self):
     self.assertIsNone(
         DataHelper.get_garage_status_text(
             GarageStatus.objects.get(pk=0),  # 指定無し
         ), )
     self.assertEqual(
         DataHelper.get_garage_status_text(
             GarageStatus.objects.get(pk=1), ),
         '空き有',
     )
 def garage_status_text(self):
     return DataHelper.get_garage_status_text(self.garage_status)