add tests for edit and index
add tests for edit and index

deizel/crud,johanmeiring/crud,davidyell/crud,bcrowe/crud,Spriz/crud,bravo-kernel/crud,ankr/crud,FriendsOfCake/crud,pwerken/cakephp-crud,dakota/crud,ojengwa/crud,simkimsia/crud,FriendsOfCake/crud-json-api