tests: reset permissions on tmp-path

to facilitate cleanup

tests/test_log_setup.py

@@ -113,6 +113,7 @@ def test_set_loggers_Filehandler_without_permission(tmp_path):
     orig_handlers = logger.handlers
     logger.handlers = []
 
+    try:
         tmp_path.chmod(0o400)
         logfile = tmp_path / "logs/ft_logfile.log"
         config = {
@@ -125,6 +126,8 @@ def test_set_loggers_Filehandler_without_permission(tmp_path):
             setup_logging(config)
 
         logger.handlers = orig_handlers
+    finally:
+        tmp_path.chmod(0o700)
 
 
 @pytest.mark.skip(reason="systemd is not installed on every system, so we're not testing this.")