tor-browser

commit da4f17fa4c7fab186aaadf6be4f12ba46959f718
parent f784e4931b5330694451c47b79f77d4b91964086
Author: Karl Tomlinson <karlt+@karlt.net>
Date:   Wed,  1 Oct 2025 07:08:36 +0000

Bug 1991799 Undo SpecialPowers preference changes between each reftest load r=tnikkel,layout-reviewers

Differential Revision: https://phabricator.services.mozilla.com/D266936

Diffstat:
M
layout/tools/reftest/reftest.sys.mjs
 | 
3
+++

1 file changed, 3 insertions(+), 0 deletions(-)
diff --git a/layout/tools/reftest/reftest.sys.mjs b/layout/tools/reftest/reftest.sys.mjs
@@ -1763,6 +1763,9 @@ function ResetRenderingState() {
 }
 
 async function RestoreChangedPreferences() {
+  // Restore any preferences set via SpecialPowers in a previous test.
+  await g.containingWindow.SpecialPowers.flushPrefEnv();
+
   if (!g.prefsToRestore.length) {
     return;
   }