From a595c4dca1ac84d473c1bead0dce35dd9710c5c1 Mon Sep 17 00:00:00 2001
From: Kris Maglione <maglione.k@gmail.com>
Date: Sun, 8 Apr 2018 22:42:28 -0700
Subject: [PATCH] Bug 1451615: Whitelist harmless rejection. r=me,test-only
 DONTBUILD

MozReview-Commit-ID: Cq3ybb4rKgF
---
 .../components/extensions/test/xpcshell/test_ext_redirects.js   | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/toolkit/components/extensions/test/xpcshell/test_ext_redirects.js b/toolkit/components/extensions/test/xpcshell/test_ext_redirects.js
index 63104677deda..1a137173c814 100644
--- a/toolkit/components/extensions/test/xpcshell/test_ext_redirects.js
+++ b/toolkit/components/extensions/test/xpcshell/test_ext_redirects.js
@@ -5,6 +5,8 @@ ChromeUtils.defineModuleGetter(this, "TestUtils",
                                "resource://testing-common/TestUtils.jsm");
 Cu.importGlobalProperties(["XMLHttpRequest"]);
 
+PromiseTestUtils.whitelistRejectionsGlobally(/Message manager disconnected/);
+
 const server = createHttpServer();
 const gServerUrl = `http://localhost:${server.identity.primaryPort}`;