code: def test_parse(self):
      # test in/out equivalence and parsing
      res = json.loads(JSON)
      out = json.dumps(res)
      self.assertEqual(res, json.loads(out))
  
imports: from unittest import TestCase
  import simplejson
label_desc: Use image node_id 1 for calling the TestPass1 obj's underlying member method code with example usage: obj.test_parse() without return types