def test_raise_error_on_empty_localization_config(self):
     losses_text_proto = """
   classification_loss {
     weighted_softmax {
     }
   }
 """
     losses_proto = losses_pb2.Loss()
     text_format.Merge(losses_text_proto, losses_proto)
     with self.assertRaises(ValueError):
         losses_builder._build_localization_loss(losses_proto)
 def test_raise_error_on_empty_localization_config(self):
   losses_text_proto = """
     classification_loss {
       weighted_softmax {
       }
     }
   """
   losses_proto = losses_pb2.Loss()
   text_format.Merge(losses_text_proto, losses_proto)
   with self.assertRaises(ValueError):
     losses_builder._build_localization_loss(losses_proto)