Fix the Autonym tests after the removal of the 'end' class

The end class was removed at
https://github.com/wikimedia/jquery.uls/pull/122

Change-Id: I548df1f14025cac0c4a89401474171d0558ff8b1

tests/browser/features/step_definitions/panel_steps.rb

@@ -73,7 +73,7 @@ When(/^I switch to Input panel of language settings/) do
 end
 
 Then(/^the language list of ULS should use Autonym font$/) do
-	on(PanelPage).autonym_element.style("font-family").should == "'Autonym',sans-serif"
+	on(PanelPage).uls_language_name_item("en").style("font-family").should == "'Autonym',sans-serif"
 end
 
 Then(/^I should see (.*) as the selected input language$/) do |language|