new_contents: import json
  
  from nose.tools import assert_equal
  
  from encryptit.dump_json import OpenPGPJsonEncoder
  
  
  def test_encode_bytes():
      result = json.dumps(bytes(bytearray([0x01, 0x08])), cls=OpenPGPJsonEncoder)
      assert_equal('{"octets": "01:08", "length": 2}', result)
  
  
  def test_encode_bytearray():
      result = json.dumps(bytearray([0x01, 0x08]), cls=OpenPGPJsonEncoder)
      assert_equal('{"octets": "01:08", "length": 2}', result)
  
subject: Add test for JSON encoding `bytes` and `bytearray`