code: def testInvalidBytesValue(self):
      self.CheckError(
          '{"bytesValue": "AQI"}',
          "Failed to parse bytesValue field: Incorrect padding.",
      )
      self.CheckError(
          '{"bytesValue": "AQI*"}',
          "Failed to parse bytesValue field: Incorrect padding.",
      )
  
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 29 for calling the JsonFormatTest obj's underlying member method code with example usage: obj.testInvalidBytesValue() without return types