CLC-2636 - Expire instructor's Canvas caches after course provisioning
Updated MyTasks::Merged spec to properly set Rails.cache.delete calls in light of the pseudo user cache clearing update
Removed MyMergedModel#pseudo_cache_key
Merge pull request #1836 from redconfetti/CLC-2636-expire-instructor-caches

CLC-2636 - Expire instructor's Canvas caches after course provisioning