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