code: def test_dump_load_unchanged(data):
      s = TaggedJSONSerializer()
      assert s.loads(s.dumps(data)) == data
  
file_path: flask/tests/test_json_tag.py
imports: from datetime import datetime
  from datetime import timezone
  from uuid import uuid4
  import pytest
  from markupsafe import Markup
  from flask.json.tag import JSONTag
  from flask.json.tag import TaggedJSONSerializer
label_desc: Use image node_id 1 for calling a global function with example usage: test_dump_load_unchanged(data) without return types