Added current_url to SeleniumSession to have the same api for both sessions

lib/webrat/selenium/selenium_session.rb

@@ -55,6 +55,10 @@ module Webrat
       selenium.get_html_source
     end
 
+    def current_url
+      selenium.location
+    end
+
     def click_button(button_text_or_regexp = nil, options = {})
       if button_text_or_regexp.is_a?(Hash) && options == {}
         pattern, options = nil, button_text_or_regexp

spec/integration/rails/test/integration/webrat_test.rb

@@ -10,6 +10,7 @@ class WebratTest < ActionController::IntegrationTest
   test "should visit pages" do
     visit root_path
     assert_contain("Webrat Form")
+    assert URI.parse(current_url).path, root_path
   end
 
   test "should submit forms" do