code: def test_name_and_docstring(self):
      assert_equal(dispatched_one_arg.__name__, "dispatched_one_arg")
      if sys.flags.optimize < 2:
          assert_equal(dispatched_one_arg.__doc__, "Docstring.")
  
imports: import inspect
  import sys
  import os
  import tempfile
  from io import StringIO
  from unittest import mock
  import numpy
  from numpy.testing import assert_, assert_equal, assert_raises, assert_raises_regex
  from numpy.core.overrides import _get_implementing_args, array_function_dispatch, verify_matching_signatures
  from numpy.compat import pickle
  import pytest
label_desc: Use image node_id 2 for calling the TestArrayFunctionDispatch obj's underlying member method code with example usage: obj.test_name_and_docstring() without return types