because Rack::Test is the new hotness

Rakefile

@@ -28,7 +28,7 @@ end
 namespace :gems do
   desc 'Install required gems'
   task :install do
-    required_gems = %w{ sinatra rspec dm-core dm-validations
+    required_gems = %w{ sinatra rspec rack-test dm-core dm-validations
                         dm-aggregates haml }
     required_gems.each { |required_gem| system "sudo gem install #{required_gem}" }
   end

spec/application_spec.rb

@@ -1,12 +1,15 @@
 require "#{File.dirname(__FILE__)}/spec_helper"
 
 describe 'main application' do
-  include Sinatra::Test
+  include Rack::Test::Methods
+
+  def app
+    Sinatra::Application.new
+  end
 
   specify 'should show the default index page' do
     get '/'
-    @response.should be_ok
-    @response.body.should match(/Main Page/)
+    last_response.should be_ok
   end
 
   specify 'should have more specs' do

spec/spec_helper.rb

@@ -2,7 +2,7 @@
 require 'sinatra'
 require 'spec'
 require 'spec/interop/test'
-require 'sinatra/test'
+require 'rack/test'
 
 # set test environment
 set :environment, :test