test: use zipimport instead of codecs

Author: KowalskiThomas

Lib/test/test_import/__init__.py

@@ -369,7 +369,7 @@ def test_import_null_byte_in_name_raises_ModuleNotFoundError(self):
         # lead to duplicates in sys.modules
         before = set(sys.modules.keys())
         with self.assertRaises(ModuleNotFoundError):
-            __import__('codecs\x00junk')
+            __import__('zipimport\x00junk')
 
         self.assertEqual(set(sys.modules.keys()), before)