code: def test_base_class(self):
      with pytest.raises(NotImplementedError):
          Node("cover all the code").serialize()
  
imports: import collections
  import itertools
  import os
  import platform
  import sys
  from typing import cast
  import pytest
  from packaging._parser import Node
  from packaging.markers import InvalidMarker, Marker, UndefinedComparison, default_environment, format_full_version
label_desc: Use image node_id 4 for calling the TestNode obj's underlying member method code with example usage: obj.test_base_class() without return types