code: def testMessageToDict(self):
      message = json_format_proto3_pb2.TestMessage()
      message.int32_value = 12345
      expected = {"int32Value": 12345}
      self.assertEqual(expected, json_format.MessageToDict(message))
  
imports: import json
  import math
  import sys
  from google.protobuf import any_pb2
  from google.protobuf import duration_pb2
  from google.protobuf import field_mask_pb2
  from google.protobuf import struct_pb2
  from google.protobuf import timestamp_pb2
  from google.protobuf import wrappers_pb2
  from google.protobuf.internal import well_known_types
  from google.protobuf import json_format
  from google.protobuf.util import json_format_proto3_pb2
label_desc: Use image node_id 38 for calling the JsonFormatTest obj's underlying member method code with example usage: obj.testMessageToDict() without return types