lib/minitest/queue.rb in ci-queue-0.46.0 vs lib/minitest/queue.rb in ci-queue-0.47.0

@@ -155,10 +155,10 @@
         @runnable = runnable
         @method_name = method_name
       end
 
       def id
-        @id ||= "#{@runnable}##{@method_name}"
+        @id ||= "#{@runnable}##{@method_name}".freeze
       end
 
       def <=>(other)
         id <=> other.id
       end