def test_get_bath_text(self):
     self.assertIsNone(
         DataHelper.get_bath_text(
             BathType.objects.get(pk=0),  # 不明
         ), )
     self.assertEqual(
         DataHelper.get_bath_text(BathType.objects.get(pk=3), ),
         'バストイレ別',
     )
 def bath_text(self):
     return DataHelper.get_bath_text(self.bath_type)