rails/rails — pull request #7744 by route (2012-09-24 12:50:10+00:00)
Title: Fix method_name should be instance_variable

In my test I have mistake:
```
/Users/route/.rvm/gems/ruby-1.9.3-p194@grabber/gems/actionpack-3.2.8/lib/action_dispatch/testing/assertions/routing.rb:176:in `method_missing': undefined local variable or method `method_name' for #<#:0x007fa7931773b0> (NameError)
```
because of this.