test(extensions): load relocated helper

scripts/tests/test-managed-extensions.py

@@ -9,7 +9,7 @@ import unittest
 from unittest.mock import patch
 
 
-spec = importlib.util.spec_from_file_location('extensions', Path(__file__).parent / 'lib' / 'managed-extensions.py')
+spec = importlib.util.spec_from_file_location('extensions', Path(__file__).parents[2] / 'scripts/lib/managed-extensions.py')
 extensions = importlib.util.module_from_spec(spec)
 spec.loader.exec_module(extensions)