new_contents: import os
  import unittest
  
  from ..framework import cli_test_suite
  from ykman.piv import OBJ
  from .util import DEFAULT_MANAGEMENT_KEY
  
  
  @cli_test_suite
  def additional_tests(ykman_cli):
      class ReadWriteObject(unittest.TestCase):
  
          def setUp(cls):
              ykman_cli('piv', 'reset', '-f')
              pass
  
          @classmethod
          def tearDownClass(cls):
              ykman_cli('piv', 'reset', '-f')
              pass
  
          def test_read_write_read_is_noop(self):
              data = os.urandom(32)
  
              ykman_cli('piv', 'write-object', hex(OBJ.AUTHENTICATION), '-',
                        '-m', DEFAULT_MANAGEMENT_KEY,
                        input=data)
  
              output1 = ykman_cli.with_bytes_output('piv', 'read-object',
                                                    hex(OBJ.AUTHENTICATION))
              self.assertEqual(output1, data)
  
              ykman_cli('piv', 'write-object', hex(OBJ.AUTHENTICATION), '-',
                        '-m', DEFAULT_MANAGEMENT_KEY,
                        input=output1)
  
              output2 = ykman_cli.with_bytes_output('piv', 'read-object',
                                                    hex(OBJ.AUTHENTICATION))
              self.assertEqual(output2, data)
  
      return [ReadWriteObject]
  
subject: Add test of PIV read/write object cycle