[3.11] gh-103247: clear the module cache in a test in test_importlib/…

…extensions/test_loader.py (GH-104226) (#104345)

gh-103247: clear the module cache in a test in test_importlib/extensions/test_loader.py (GH-104226)
(cherry picked from commit 22f3425)

Co-authored-by: sunmy2019 <[email protected]>

Lib/test/test_importlib/extension/test_loader.py

@@ -179,15 +179,16 @@ def test_reload(self):
 
  def test_try_registration(self):
  # Assert that the PyState_{Find,Add,Remove}Module C API doesn't work.
- module = self.load_module()
- with self.subTest('PyState_FindModule'):
- self.assertEqual(module.call_state_registration_func(0), None)
- with self.subTest('PyState_AddModule'):
- with self.assertRaises(SystemError):
- module.call_state_registration_func(1)
- with self.subTest('PyState_RemoveModule'):
- with self.assertRaises(SystemError):
- module.call_state_registration_func(2)
+ with util.uncache(self.name):
+ module = self.load_module()
+ with self.subTest('PyState_FindModule'):
+ self.assertEqual(module.call_state_registration_func(0), None)
+ with self.subTest('PyState_AddModule'):
+ with self.assertRaises(SystemError):
+ module.call_state_registration_func(1)
+ with self.subTest('PyState_RemoveModule'):
+ with self.assertRaises(SystemError):
+ module.call_state_registration_func(2)
 
  def test_load_submodule(self):
  # Test loading a simulated submodule.