code: def test_bad_like_sig(self, func):
      # We sanity check the signature, and these should fail.
      with pytest.raises(RuntimeError):
          array_function_dispatch()(func)
  
imports: import inspect
  import sys
  import os
  import tempfile
  from io import StringIO
  from unittest import mock
  import pickle
  import pytest
  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
label_desc: Use image node_id 8 for calling the TestArrayFunctionImplementation obj's underlying member method code with example usage: obj.test_bad_like_sig(func) without return types