Tests: IE8 cannot delete from the window object. Fixes #13177.

Reinmar · Reinmar · commit acebd8659c4c · 2015-05-26T15:30:07.000+02:00
diff --git a/tests/adapters/jquery/manual/nockeditor.html b/tests/adapters/jquery/manual/nockeditor.html
@@ -1,3 +1,4 @@
 <script>
-	delete window.CKEDITOR;
+	// Can't use `delete` because IE8 fails. #13177
+	window.CKEDITOR = undefined;
 </script>
