with_hover.erb in capybara-2.7.0

- old
+ new

@@ -1,5 +1,6 @@
+<%# frozen_string_literal: true %>
 <html xmlns="http://www.w3.org/1999/xhtml" lang="en">
   <head>
     <meta http-equiv="Content-type" content="text/html; charset=utf-8"/>
     <title>with_hover</title>
   </head>
@@ -12,6 +13,6 @@
     <div class="wrapper">
       Some text here so the wrapper has size
       <div class="hidden_until_hover">Here I am</div>
     </div>
   </body>
-</html>
\ No newline at end of file
+</html>