Added test for Capybara::Driver::Webkit and updated spec_helper path in spec/browser_spec.rb

spec/browser_spec.rb

@@ -1,4 +1,4 @@
-require 'spec/spec_helper'
+require 'spec_helper'
 require 'capybara/driver/webkit/browser'
 
 describe Capybara::Driver::Webkit::Browser do

spec/integration/driver_spec.rb

@@ -11,6 +11,10 @@ describe Capybara::Driver::Webkit do
 
   it_should_behave_like "driver with javascript support"
   it_should_behave_like "driver with cookies support"
+  
+  it "returns the rack server port" do
+    @driver.server_port.should  eq(@driver.instance_variable_get(:@rack_server).port)
+  end
 
   # Can't support:
   # it_should_behave_like "driver with header support"