code: def testRandomReaderThrowsErrorForInvalidOffset(self):
      records = [self._Record(0, i) for i in range(self._num_records)]
      fn = self._WriteRecordsToFile(records, "uncompressed_records")
      reader = tf_record.tf_record_random_reader(fn)
      with self.assertRaisesRegex(
          errors_impl.DataLossError, r"corrupted record"
      ):
          reader.read(1)
  
imports: import gzip
  import os
  import random
  import string
  import zlib
  import six
  from tensorflow.python.framework import errors_impl
  from tensorflow.python.lib.io import tf_record
  from tensorflow.python.platform import test
  from tensorflow.python.util import compat
label_desc: Use image node_id 2 for calling the TFRecordRandomReaderTest obj's underlying member method code with example usage: obj.testRandomReaderThrowsErrorForInvalidOffset() without return types