code: def test_failures(self):
      for idx, doc in enumerate(JSONDOCS):
          idx = idx + 1
          if idx in SKIPS:
              json.loads(doc)
              continue
          try:
              json.loads(doc)
          except json.JSONDecodeError:
              pass
          else:
              self.fail(
                  "Expected failure for fail%d.json: %r" % (idx, doc)
              )
  
file_path: catboost/contrib/python/simplejson/py3/simplejson/tests/test_fail.py
imports: import sys
  from unittest import TestCase
  import simplejson
label_desc: Use image node_id 1 for calling the TestFail obj's underlying member method code with example usage: obj.test_failures() without return types