From 14d34aa8240ffd0797acee70f361967d636ff253 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dariusz=20Jarz=C4=99bski?= <dumluregn@gmail.com>
Date: Fri, 10 Jan 2025 16:12:59 +0100
Subject: [PATCH] Fix a leaking test in mention plugin.

---
 packages/ckeditor5-mention/tests/mentionui.js | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/packages/ckeditor5-mention/tests/mentionui.js b/packages/ckeditor5-mention/tests/mentionui.js
index c8b527a83f5..649f5e02792 100644
--- a/packages/ckeditor5-mention/tests/mentionui.js
+++ b/packages/ckeditor5-mention/tests/mentionui.js
@@ -86,8 +86,17 @@ describe( 'MentionUI', () => {
 			} );
 		} );
 
-		it( 'should not throw if marker is longer then 1 character', () => {
-			expect( () => createClassicTestEditor( { feeds: [ { marker: '$$', feed: [ 'a' ] } ] } ) ).to.not.throw();
+		it( 'should not throw if marker is longer then 1 character', done => {
+			expect( () => ClassicTestEditor
+				.create( editorElement, {
+					plugins: [ Paragraph, MentionEditing, MentionUI ],
+					mention: { feeds: [ { marker: '$$', feed: [ 'a' ] } ] }
+				} ).then( tempEditor => {
+					tempEditor.destroy();
+
+					done();
+				} )
+			).to.not.throw();
 		} );
 	} );