From c1c60beda19df23631a6b6ff87ef67e17a22e22b Mon Sep 17 00:00:00 2001
From: Josh Matthews <josh@joshmatthews.net>
Date: Thu, 6 Jul 2017 15:32:31 -0400
Subject: [PATCH] Minimal changes to get WPT tests running on Windows.

---
 .../tools/wptrunner/wptrunner/wptcommandline.py               | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tests/wpt/web-platform-tests/tools/wptrunner/wptrunner/wptcommandline.py b/tests/wpt/web-platform-tests/tools/wptrunner/wptrunner/wptcommandline.py
index 5d44df2fad9..65a09d5c53b 100644
--- a/tests/wpt/web-platform-tests/tools/wptrunner/wptrunner/wptcommandline.py
+++ b/tests/wpt/web-platform-tests/tools/wptrunner/wptrunner/wptcommandline.py
@@ -280,8 +280,10 @@ def exe_path(name):
         return
 
     path = find_executable(name)
-    if os.access(path, os.X_OK):
+    if path and os.access(path, os.X_OK):
         return path
+    else:
+        return None
 
 
 def check_args(kwargs):