Call setUp on super, and fix import order

PiperOrigin-RevId: 512200880

python/google/protobuf/internal/proto_builder_test.py

@@ -33,8 +33,8 @@
 import collections
 import unittest
 
-from google.protobuf import descriptor_pb2  # pylint: disable=g-import-not-at-top
 from google.protobuf import descriptor
+from google.protobuf import descriptor_pb2
 from google.protobuf import descriptor_pool
 from google.protobuf import proto_builder
 from google.protobuf import text_format
@@ -43,6 +43,8 @@ from google.protobuf import text_format
 class ProtoBuilderTest(unittest.TestCase):
 
   def setUp(self):
+    super().setUp()
+
     self.ordered_fields = collections.OrderedDict([
         ('foo', descriptor_pb2.FieldDescriptorProto.TYPE_INT64),
         ('bar', descriptor_pb2.FieldDescriptorProto.TYPE_STRING),