code: def test_files(self):
      namespacedata01 = import_module("namespacedata01")
      reader = NamespaceReader(
          namespacedata01.__spec__.submodule_search_locations
      )
      root = os.path.abspath(
          os.path.join(__file__, "..", "namespacedata01")
      )
      self.assertIsInstance(reader.files(), MultiplexedPath)
      self.assertEqual(
          repr(reader.files()), f"MultiplexedPath('{root}')"
      )
  
imports: import os.path
  import sys
  import pathlib
  import unittest
  from importlib import import_module
  from importlib.readers import MultiplexedPath, NamespaceReader
label_desc: Use image node_id 5 for calling the NamespaceReaderTest obj's underlying member method code with example usage: obj.test_files() without return types