code: def test_dumps(json):
      assert json.dumps([1]) == "[1]"
  
file_path: gluonts/test/test_json.py
imports: from io import StringIO, BytesIO
  import pytest
  from gluonts.json import _orjson, _ujson, _json
label_desc: Use image node_id 3 for calling a global function with example usage: test_dumps(json) without return types