From e40dfe5627f0cbb1d5efad03397ce58969996266 Mon Sep 17 00:00:00 2001
From: Brad Werth <bwerth@mozilla.com>
Date: Mon, 6 Mar 2023 19:38:11 +0000
Subject: [PATCH] Bug 1631735 Part 3: Update test expectations to note macOS
 transitions are async. r=mstange

Differential Revision: https://phabricator.services.mozilla.com/D170841
---
 widget/tests/test_sizemode_events.xhtml | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/widget/tests/test_sizemode_events.xhtml b/widget/tests/test_sizemode_events.xhtml
index 05148ba83e5e8..bd1e3a38d1aee 100644
--- a/widget/tests/test_sizemode_events.xhtml
+++ b/widget/tests/test_sizemode_events.xhtml
@@ -24,8 +24,9 @@ const XUL_NS = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
 let gWindow = null;
 
 const kIsLinux = navigator.platform.includes("Lin");
-// On Linux sizemode changes might be async.
-const kAsyncChanges = kIsLinux;
+const kIsMacOS = navigator.platform.includes("Mac");
+// On Linux and macOS sizemode changes might be async.
+const kAsyncChanges = kIsLinux || kIsMacOS;
 
 let gSizeModeDidChange = false;
 let gSizeModeDidChangeTo = 0;