Requirement A course with s1 student enrolled WAVE tool browser extension Test Log in as admin. Go to the course and create an assignment , setting the submission type to Online text . Go to Participants and click on the s1 name to go to the user profile page. Click on the Message and send s1 user a message. Log in as s1 and click on the bell icon to open Notifications and then click on the cog. Enable both Web for Assignment notifications Go to the course and then for the assignment, add a submission . Go back to the dashboard and run WAVE tool on the page. Make sure there are no Contrast Errors reported for both message and notifications count container.