docstr: Ensure that multiline blobs are still readable
docstr_tok: ["Ensure","that","multiline","blobs","are","still","readable"]
code: def test_roundtrip_nosplit(self):
      """Ensure that multiline blobs are still readable"""
      # ensures that notebooks written prior to splitlines change
      # are still readable.
      s = writes(nb0, split_lines=False)
      self.assertEqual(nbjson.reads(s), nb0)
  
file_path: nbformat/tests/v3/test_json.py
imports: from __future__ import annotations
  import copy
  import json
  from base64 import decodebytes
  from unittest import TestCase
  from nbformat.v3 import nbjson
  from nbformat.v3.nbbase import from_dict
  from nbformat.v3.nbjson import writes
  from .None import formattest
  from .nbexamples import nb0
label_desc: Use image node_id 1 for calling the TestJSON obj's underlying member method code with example usage: obj.test_roundtrip_nosplit() without return types