We intentionally turn off a11y_checks, because these tests are expected to click a toolbar button that may be already hidden with "display:none;". The permissions panel anchor is hidden because the last permission was removed, however we force opening the panel anyways in order to test that the list has been properly emptied.
Thus, we are excluding this click event from accessibility checks and removing the fail-if annotation that was added by bug 1854228 and bug 1858037 before the investigation in the meta bug 1854233.
Differential Revision: https://phabricator.services.mozilla.com/D190979
