code: def testContainingServiceFixups(self):
      self.assertEqual(
          self.my_service, self.my_method.containing_service
      )
  
imports: import unittest
  from google.protobuf import unittest_custom_options_pb2
  from google.protobuf import unittest_import_pb2
  from google.protobuf import unittest_pb2
  from google.protobuf import descriptor_pb2
  from google.protobuf import descriptor
  from google.protobuf import text_format
label_desc: Use image node_id 5 for calling the DescriptorTest obj's underlying member method code with example usage: obj.testContainingServiceFixups() without return types