Improve test suite thanks to upstream Firefox fix for feedback when access to a local file is denied
Originally created by @anonym on #11106 (Redmine)
Upstream bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1247779
Edited by intrigeri
Originally created by @anonym on #11106 (Redmine)
Upstream bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1247779