Tidy up: these helpers aren't needed by existing tests

test/helper_merb.rb

@@ -3,9 +3,6 @@ require 'merb_stories'
 module Merb
   module Test
     class RspecStory
-      include Merb::Test::ControllerHelper
-      include Merb::Test::RouteHelper
-      include Merb::Test::ViewHelper
       def flunk(message)
         raise message
       end