A teacher can set 'receive grade' as a completion condition for a forum

This test requires completion tracking to be enabled by an administrator in Site administration > Advanced features and in the course settings. It also requires a forum in which teachers can rate posts and containing at least one post by a student.

1. Login as a teacher, access the forum and edit the settings.
2. Set the completion tracking to 'Show activity as complete when conditions are met'.
3. Select 'Student must receive a grade to complete this activity'.
4. Rate a student's forum post.
5. Check that the forum is marked as complete for the student in Reports > Activity completion.