code: def testInvalidTimestamp(self):
      message = json_format_proto3_pb2.TestTimestamp()
      text = '{"value": "10000-01-01T00:00:00.00Z"}'
      self.assertRaisesRegexp(
          json_format.ParseError,
          "time data '10000-01-01T00:00:00' does not match"
          " format '%Y-%m-%dT%H:%M:%S'.",
          json_format.Parse,
          text,
          message,
      )
      text = '{"value": "1970-01-01T00:00:00.0123456789012Z"}'
      self.assertRaisesRegexp(
          well_known_types.ParseError,
          "nanos 0123456789012 more than 9 fractional digits.",
          json_format.Parse,
          text,
          message,
      )
      text = '{"value": "1972-01-01T01:00:00.01+08"}'
      self.assertRaisesRegexp(
          well_known_types.ParseError,
          (r"Invalid timezone offset value: \+08."),
          json_format.Parse,
          text,
          message,
      )
      # Time smaller than minimum time.
      text = '{"value": "0000-01-01T00:00:00Z"}'
      self.assertRaisesRegexp(
          json_format.ParseError,
          "Failed to parse value field: year is out of range.",
          json_format.Parse,
          text,
          message,
      )
      # Time bigger than maxinum time.
      message.value.seconds = 253402300800
      self.assertRaisesRegexp(
          OverflowError,
          "date value out of range",
          json_format.MessageToJson,
          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 31 for calling the JsonFormatTest obj's underlying member method code with example usage: obj.testInvalidTimestamp() without return types