path fix

Author: philimon-reset

l10n_CM/run_l10n.py

@@ -126,7 +126,9 @@ def get_region_tests(test_region: str) -> list[str]:
         region_data = load(fp)
         raw_tests = region_data.get("tests", [])
         return (
-            list(map(lambda test: current_dir + "/Unified/" + test, raw_tests))
+            list(
+                map(lambda test: os.path.join(current_dir, "Unified", test), raw_tests)
+            )
             if len(raw_tests) > 0
             else raw_tests
         )