Add test/controllers file to view tests

Closes tpope#321.

Author: tpope

autoload/rails.vim

@@ -1235,6 +1235,7 @@ function! s:readable_test_file_candidates() dict abort
           \ fnamemodify(f,':s?\<app/?spec/?')."_spec.rb",
           \ fnamemodify(f,':r:s?\<app/?spec/?')."_spec.rb",
           \ fnamemodify(f,':r:r:s?\<app/?spec/?')."_spec.rb",
+          \ s:sub(s:sub(f,'<app/views/','test/controllers/'),'/[^/]*$','_controller_test.rb'),
           \ s:sub(s:sub(f,'<app/views/','test/functional/'),'/[^/]*$','_controller_test.rb')]
   elseif self.type_name('controller-api')
     let tests = [