1 files changed, 1 insertions, 1 deletions
diff --git a/toolkit/mozapps/extensions/test/xpcshell/test_signed_long.js b/toolkit/mozapps/extensions/test/xpcshell/test_signed_long.js
index 2aa76e8ff8..6213aa0f1b 100644
--- a/toolkit/mozapps/extensions/test/xpcshell/test_signed_long.js
+++ b/toolkit/mozapps/extensions/test/xpcshell/test_signed_long.js
@@ -4,7 +4,7 @@ const ID = "123456789012345678901234567890123456789012345678901@somewhere.com";
 
 // Tests that signature verification works correctly on an extension with
 // an ID that does not fit into a certificate CN field.
-add_task(async function test_long_id() {
+add_task(useAMOStageCert(), async function test_long_id() {
   createAppInfo("xpcshell@tests.mozilla.org", "XPCShell", "1", "1");
   await promiseStartupManager();