code: def test_big_unicode_decode(self):
      u = "z\U0001d120x"
      self.assertEqual(json.loads('"' + u + '"'), u)
      self.assertEqual(json.loads('"z\\ud834\\udd20x"'), u)
  
imports: import sys
  import codecs
  from unittest import TestCase
  import simplejson
  from simplejson.compat import unichr, text_type, b, BytesIO
label_desc: Use image node_id 8 for calling the TestUnicode obj's underlying member method code with example usage: obj.test_big_unicode_decode() without return types