squash! Split up Windows tests relying on urlunparse behaviour

Make behaviour check automatic to save on maintenance

tests/lib/__init__.py

@@ -28,6 +28,7 @@
     Union,
     cast,
 )
+from urllib.parse import urlparse, urlunparse
 from zipfile import ZipFile
 
 import pytest
@@ -1378,13 +1379,8 @@ def __call__(
 
 # versions containing fix/backport from https://github.com/python/cpython/pull/113563
 # which changed the behavior of `urllib.parse.urlun{parse,split}`
-has_new_urlun_behavior = (
-    # https://github.com/python/cpython/commit/387ff96e95b9f8a8cc7e646523ba3175b1350669
-    (sys.version_info[:2] == (3, 12) and sys.version_info >= (3, 12, 4))
-    or
-    # https://github.com/python/cpython/commit/872000606271c52d989e53fe4cc9904343d81855
-    (sys.version_info[:2] == (3, 13) and sys.version_info >= (3, 13, 0, "beta", 2))
-)
+url = "////path/to/file"
+has_new_urlun_behavior = url == urlunparse(urlparse(url))
 
 # the above change seems to only impact tests on Windows, so just add skips for that
 skip_needs_new_urlun_behavior_win = pytest.mark.skipif(