This test requires a course containing a few activities.
1. Login as teacher, go to the course and turn editing on.
2. Click a 'Move right' icon and check that the activity is indented one space.
3. Click the 'Move right' icon again and check that the activity is indented another space.
4. Refresh the page and check that the activity remains indented two spaces.
5. Click the 'Move left' icon twice (to move the activity back to its original location).
6. Check that the 'Move left' icon is no longer displayed.