Integration test for accept header issue in Rails 3

accept_header_spec.rb

require 'spec_helper'

describe "Returns page as normal" do
  it "with accept header '*/*;q=0.6'" do
    page.driver.header "Accept", "*/*;q=0.6"
    visit fb_path
    page.current_path.should == fb_path
  end
  
  it "with accept header 'text/html;q=0.7'" do
    page.driver.header "Accept", "text/html;q=0.7"
    visit fb_path
    page.current_path.should == fb_path
  end

  it "with accept header 'text/*\\'" do
    page.driver.header "Accept", "text/*\\"
    visit fb_path
    page.current_path.should == fb_path
  end

  it "with accept header 'text/*'" do
    page.driver.header "Accept", "text/*"
    visit fb_path
    page.current_path.should == fb_path
  end

  it "with accept header '*/*'" do
    page.driver.header "Accept", "*/*"
    visit fb_path
    page.current_path.should == fb_path
  end
end

fix_acceptheader.rb

# put this in config/initializers

module Mime
  class Type
    def self.lookup(string)
      string = string.gsub(/\\/, "")
      string = string.gsub(/text\/\*/, "*")
      LOOKUP[string.split(';').first]
    end
  end
end