unittest/discover: Reverse order of parent/top in sys.path.

When running tests from subfolders, insert top as higher priority entry in sys.path.

Signed-off-by: Andrew Leech <andrew.leech@planetinnovation.com.au>

Author: andrewleech

python-stdlib/unittest-discover/unittest/__main__.py

@@ -14,7 +14,7 @@ def _run_test_module(runner: TestRunner, module_name: str, *extra_paths: list[st
     module_snapshot = {k: v for k, v in sys.modules.items()}
     path_snapshot = sys.path[:]
     try:
-        for path in reversed(extra_paths):
+        for path in extra_paths:
             if path:
                 sys.path.insert(0, path)