Setup Login as admin. Go to Site administration > Advanced features and enable "Enable global search". Create a user named "Amazing User". Create a course custom field using the Short text type. Create a course named "Amazing course". Set the Shorttext custom field to something like "Amazing custom field". Go to Site administration > Server > System paths and set "Path to PHP CLI" with the proper value. Go to Site administration > Server >Scheduled tasks Run the "Global search indexing" task.   Testing scenario Using the global search icon (near the notifications icon), search for "Amazing". Confirm the icons displayed near each item are using the FontAwesome icons instead of the images (for instance, they should be black instead of grey). Edit theme/boost/config.php and comment or remove line `$THEME->iconsystem = \core\output\icon_system::FONTAWESOME;` Reload the page. Confirm the icons displayed near each item are now using the image version (they should be grey).