Refactor document views specs

https://www.pivotaltracker.com/story/show/73291456
Summary of changes: https://docs.google.com/document/d/13TNmNkD6__d-7TbnvkNUV8yvCY8bc_SGa6ewxewrciE/edit?usp=sharing
not entirely sure if `whodunnit` is a table row id, would have expect it to be `whodunnit_id` instead. Are you sure this is working as you expect it to?