rewrite the item.respond_to?(:x?) && item.x? to item.try(:x?)

app/helpers/issues_helper.rb

@@ -58,13 +58,13 @@ module IssuesHelper
   end
 
   def status_box_class(item)
-    if item.respond_to?(:expired?) && item.expired?
+    if item.try(:expired?)
       'status-box-expired'
-    elsif item.respond_to?(:merged?) && item.merged?
+    elsif item.try(:merged?)
       'status-box-merged'
     elsif item.closed?
       'status-box-closed'
-    elsif item.respond_to?(:upcoming?) && item.upcoming?
+    elsif item.try(:upcoming?)
       'status-box-upcoming'
     else
       'status-box-open'