From 48af7ba677933e0d710b192c0fba2491b78afea9 Mon Sep 17 00:00:00 2001
From: Joao Moreno <joao.moreno@microsoft.com>
Date: Wed, 13 Nov 2019 10:39:47 +0100
Subject: [PATCH] fixes #84455

---
 test/electron/renderer.html | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/test/electron/renderer.html b/test/electron/renderer.html
index 38005b2d609..49cfa95c657 100644
--- a/test/electron/renderer.html
+++ b/test/electron/renderer.html
@@ -23,6 +23,16 @@
 		window.alert = function () { throw new Error('window.alert() is not supported in tests!'); }
 		window.confirm = function () { throw new Error('window.confirm() is not supported in tests!'); }
 
+		// Ignore uncaught cancelled promise errors
+		window.addEventListener('unhandledrejection', e => {
+			const name = e && e.reason && e.reason.name;
+
+			if (name === 'Canceled') {
+				e.preventDefault();
+				e.stopPropagation();
+			}
+		});
+
 		mocha.setup({
 			ui: 'tdd',
 			timeout: 5000