Rails Test : Quick hack to get Rack to be quiet about "warning: regexp match /.../n against to UTF-8 string" until we upgrade to Rails 3.1 with Rack 1.3

spec_helper.rb

RSpec.configure do |config|
  # ...
end

# quick hack to get Rack to be quiet about "warning: regexp match /.../n against to UTF-8 string" until we upgrade to Rails 3.1 with Rack 1.3
module Rack
  module Utils
    def escape(s)
      CGI.escape(s.to_s)
    end
    def unescape(s)
      CGI.unescape(s)
    end
  end
end