kill this test

railties/test/application/route_inspect_test.rb

@@ -150,14 +150,5 @@ module ApplicationTests
       output = @inspector.format @set.routes
       assert_equal ["  /foo #{RackApp.name} {:constraint=>( my custom constraint )}"], output
     end
-
-    def test_rake_routes_dont_show_app_mounted_in_assets_prefix
-      @set.draw do
-        match '/sprockets' => RackApp
-      end
-      output = @inspector.format @set.routes
-      assert_no_match(/RackApp/, output.first)
-      assert_no_match(/\/sprockets/, output.first)
-    end
   end
 end