Students can peer-assess in a workshop

This test requires a workshop activity in which several students have made submissions.

1. Login as a teacher, update the workshop and tick the 'Use peer assessment' checkbox.
2. In the submission allocation page, allocate students (either manually or randomly) to assess each other's work.
3. Switch the workshop to the assessment phase.
4. Login as a student and check that you can assess other students' work.