Require cleaning up after our specs rather than setting up before

It's easier to catch issues this way.

spec/dsl_spec.rb

@@ -2,14 +2,11 @@ require 'spec_helper'
 require 'capybara/dsl'
 
 describe Capybara::DSL do
-  before do
-    Capybara.app = TestApp
-  end
-
   after do
     Capybara.session_name = nil
     Capybara.default_driver = nil
     Capybara.use_default_driver
+    Capybara.app = TestApp
   end
 
   describe '#default_driver' do

spec/rspec/features_spec.rb

@@ -7,7 +7,6 @@ end
 
 feature "Capybara's feature DSL" do
   background do
-    Capybara.app = TestApp
     @in_background = true
   end
 

spec/rspec/matchers_spec.rb

@@ -6,10 +6,6 @@ describe Capybara::RSpecMatchers do
   include Capybara::DSL
   include Capybara::RSpecMatchers
 
-  before :each do
-    Capybara.app = TestApp
-  end
-
   describe "have_css matcher" do
     it "gives proper description" do
       have_css('h1').description.should == "has css \"h1\""

spec/rspec_spec.rb

@@ -1,10 +1,6 @@
 require 'spec_helper'
 
 describe 'capybara/rspec', :type => :request do
-  before :each do
-    Capybara.app = TestApp
-  end
-
   it "should include Capybara in rspec" do
     visit('/foo')
     page.body.should include('Another World')
@@ -43,14 +39,12 @@ end
 
 describe 'capybara/rspec', :type => :other do
   it "should not include Capybara" do
-    Capybara.app = TestApp
     expect { visit('/') }.to raise_error(NoMethodError)
   end
 end
 
 feature "Feature DSL" do
   scenario "is pulled in" do
-    Capybara.app = TestApp
     visit('/foo')
     page.body.should include('Another World')
   end

spec/spec_helper.rb

@@ -22,6 +22,7 @@ require 'capybara/spec/session'
 
 alias :running :lambda
 
+Capybara.app = TestApp
 Capybara.default_wait_time = 0 # less timeout so tests run faster
 
 module TestSessions