[QA] Require Pathname in qa/qa/page/view.rb

Signed-off-by: Rémy Coutable <remy@rymai.me>

qa/qa/page/view.rb

+require 'pathname'
+
 module QA
   module Page
     class View
@@ -9,7 +11,7 @@ module QA
       end
 
       def pathname
-        @pathname ||= Pathname.new(::File.join(__dir__, '../../../', @path))
+        @pathname ||= ::Pathname.new(::File.join(__dir__, '../../../', @path))
           .cleanpath.expand_path
       end