See test.

Differential Revision: https://phabricator.services.mozilla.com/D141398

bugzilla-url: https://bugzilla.mozilla.org/show_bug.cgi?id=1757443
gecko-commit: ac3ac0c98d2f9da5d0b6d91e9e6f5dd0e09b46d4
gecko-reviewers: boris, layout-reviewers