Create a Medium sized course (Site administration -> Development -> Create test course) View the course Navigate to the Participants page Navigate to the second page of participants by clicking on the "2" button Click the "Enrol users" button Confirm that the dialogue opened Press cancel Confirm that the dialogue disappeared Click the "Enrol users" button Confirm that the dialogue opened again Find a user to enrol Press the "Enrol users" button Confirm that the dialogue disappeared *Confirm that the user was enrolled in the course (you may need to find them in the list) Confirm that a notification was shown at the top of the page ("1 enrolled users") Confirm that the page DID NOT reload - i.e. that the content was updated without the whole page refreshing