class_docstr: Packages and modules from tests should not be part of pylib namespace
class_docstr_tok: ["Packages","and","modules","from","tests","should","not","be","part","of","pylib","namespace"]
code: def test_is_package_for_tests(self):
      self.assertRaises(
          ImportError,
          lambda: self.arcadia_source_finder.is_package("pylib.tests"),
      )
  
imports: import stat
  import unittest
  import yaml
  from collections import namedtuple
  from unittest.mock import patch
  from parameterized import parameterized
  import __res
label_desc: Use image node_id 5 for calling the TestIgnoreDirectoriesWithYaMakeFile obj's underlying member method code with example usage: obj.test_is_package_for_tests() without return types