Login to Moodle Inspect the "notification bell" in the header.  Verify it has a  role="button" attribute on the div containing the bell icon (the one with aria-label="Show notification" ) Verify it does not have an aria-role="button" attribute on the div containing the bell icon Enable completion tracking for a course. Set the completion tracking for an activity in the course to "Students can manually mark the activity as complete" Go to course home page Go to "More..." in the course menu. Go to the activity completion report Inspect one of the checkboxes in the table cells for each student. Verify there is a role="button" attribute on the link tag containing the image (the "a" tag). Verify it does not have an aria-role="button" attribute.