AbstractAttachmentsController#edit does have test converage
ManualDocumentAttachmentsController#edit is also tested
ManualDocumentsController#create also has test coverage
Manual slugs are not validated

The slug validator previously on manuals was
misleading, by having a CMA repository it would
never find that a slug wasn't unique.

While the problem isn't fixed it is now visible.
Remove go_to_edit_page_for_most_recent_case test helper
Merge pull request #204 from alphagov/arbitrary-acts-of-kindness

Arbitrary acts of kindness