Setup This test requires a publicly available site (e.g. via ngrok) Site registered in Brickfield with API key and secret. If you don't have a Brickfield account, you can  register here . Activate your site with Brickfield in " Site administration / Plugins / Admin tools / Accessibility / Brickfield registration " by entering the API and Secret keys. Enable analysis requests in " Site administration / Plugins / Admin tools / Accessibility / Accessibility toolkit settings " Restore the 'Accessibility 101' course backup  accessibility_101.mbz Test Go to the Accessibility 101 course. Turn editing on and add the " Accessibility review " block. On the Accessibility review block, submit the course for analysis. Run cron. Refresh the page and check that the Accessibility review block shows the results of the analysis. (If there are no results, just run cron again until you get results) With the results displayed, press the toggle heatmap icon (eye) so that the heatmap is displaying on activities. Confirm  that the heatmap icon (eye) changes from open to slashed. Press the toggle heatmap icon (eye) so that the heatmap is no longer displaying on activities. Confirm  that the heatmap icon (eye) changes back.