code: def testEnumTypesByName(self):
      file_type = unittest_pb2.DESCRIPTOR
      self.assertEqual(
          unittest_pb2._FOREIGNENUM,
          file_type.enum_types_by_name[unittest_pb2._FOREIGNENUM.name],
      )
  
imports: from google.protobuf.internal import test_bad_identifiers_pb2
  from google.protobuf import unittest_custom_options_pb2
  from google.protobuf import unittest_import_pb2
  from google.protobuf import unittest_import_public_pb2
  from google.protobuf import unittest_mset_pb2
  from google.protobuf import unittest_mset_wire_format_pb2
  from google.protobuf import unittest_no_generic_services_pb2
  from google.protobuf import unittest_pb2
  from google.protobuf import service
  from google.protobuf import symbol_database
label_desc: Use image node_id 18 for calling the GeneratorTest obj's underlying member method code with example usage: obj.testEnumTypesByName() without return types