code: def test_asdict_not_callable_dump(self):
      for f in CONSTRUCTORS:
          self.assertRaises(
              TypeError,
              json.dump,
              f(DeadDuck()),
              StringIO(),
              namedtuple_as_object=True,
          )
          sio = StringIO()
          json.dump(f(DeadDict()), sio, namedtuple_as_object=True)
          self.assertEqual(json.dumps(f({})), sio.getvalue())
          self.assertRaises(
              TypeError,
              json.dump,
              f(Value),
              StringIO(),
              namedtuple_as_object=True,
          )
  
imports: from __future__ import absolute_import
  import unittest
  import simplejson
  from simplejson.compat import StringIO
label_desc: Use image node_id 5 for calling the TestNamedTuple obj's underlying member method code with example usage: obj.test_asdict_not_callable_dump() without return types