remove more code for supporting older gems

lib/capybara/node/simple.rb

@@ -152,12 +152,7 @@ module Capybara
       #
       # @return [String]     The title of the document
       def title
-        if native.respond_to? :title
-          native.title
-        else
-          #old versions of nokogiri don't have #title - remove in 3.0
-          native.xpath('/html/head/title | /html/title').first.text
-        end
+        native.title
       end
 
       def inspect

lib/capybara/rack_test/browser.rb

@@ -105,12 +105,7 @@ class Capybara::RackTest::Browser
   end
 
   def title
-    if dom.respond_to? :title
-      dom.title
-    else
-      #old versions of nokogiri don't have #title - remove in 3.0
-      dom.xpath('/html/head/title | /html/title').first.text
-    end
+    dom.title
   end
 
 protected

lib/capybara/spec/session/current_url_spec.rb

@@ -14,11 +14,11 @@ Capybara::SpecHelper.spec '#current_url, #current_path, #current_host' do
   end
 
   def should_be_on server_index, path="/host", scheme="http"
-    #This delay is to give fully async drivers (selenium w/chromedriver) time for the browser
-    #to get to its destination - should be removed when we have a waiting current_url matcher
-    sleep 0.1  # remove and adjust tests when a waiting current_url/path matcher is implemented
     # Check that we are on /host on the given server
     s = @servers[server_index]
+
+    expect(@session).to have_current_path("#{scheme}://#{s.host}:#{s.port}#{path}", url: true)
+
     expect(@session.current_url.chomp('?')).to eq("#{scheme}://#{s.host}:#{s.port}#{path}")
     expect(@session.current_host).to eq("#{scheme}://#{s.host}") # no port
     expect(@session.current_path).to eq(path)