code: def test_parameters_without_class_reference(self):
      docstring = """\
  Parameters
  ----------
  param1 : MyClass instance
  
  """
  
      config = Config(napoleon_use_param=False)
      actual = str(NumpyDocstring(docstring, config))
      expected = """\
  :Parameters: **param1** (*MyClass instance*)
  """
      assert expected == actual
  
      config = Config(napoleon_use_param=True)
      actual = str(NumpyDocstring(dedent(docstring), config))
      expected = """\
  :param param1:
  :type param1: MyClass instance
  """
      assert expected == actual
  
imports: import re
  from collections import namedtuple
  from inspect import cleandoc
  from textwrap import dedent
  from unittest import mock
  import pytest
  from sphinx.ext.napoleon import Config
  from sphinx.ext.napoleon.docstring import GoogleDocstring, NumpyDocstring, _convert_numpy_type_spec, _recombine_set_tokens, _token_type, _tokenize_type_spec
  from tests.test_extensions.ext_napoleon_pep526_data_google import PEP526GoogleClass
  from tests.test_extensions.ext_napoleon_pep526_data_numpy import PEP526NumpyClass
label_desc: Use image node_id 6 for calling the TestNumpyDocstring obj's underlying member method code with example usage: obj.test_parameters_without_class_reference() without return types