code: def test_namespace_match(self):
      assert util.namespace_match("*tags", "tags")
      assert util.namespace_match("*tags", "passage_tags")
      assert util.namespace_match("*tags", "question_tags")
      assert util.namespace_match("tokens", "tokens")
      assert not util.namespace_match("tokens", "stemmed_tokens")
  
imports: from datetime import timedelta
  import sys
  from collections import OrderedDict
  import pytest
  import torch
  from allennlp.common import util
  from allennlp.common.testing import AllenNlpTestCase
  from allennlp.common.util import push_python_path
label_desc: Use image node_id 4 for calling the TestCommonUtils obj's underlying member method code with example usage: obj.test_namespace_match() without return types