trying to fix AppVeyor test errors
trying to fix AppVeyor test errors

rolembergfilho/Serenity,WasimAhmad/Serenity,dfaruque/Serenity,volkanceylan/Serenity,volkanceylan/Serenity,WasimAhmad/Serenity,dfaruque/Serenity,linpiero/Serenity,dfaruque/Serenity,rolembergfilho/Serenity,rolembergfilho/Serenity,linpiero/Serenity,linpiero/Serenity,linpiero/Serenity,volkanceylan/Serenity,WasimAhmad/Serenity,WasimAhmad/Serenity,linpiero/Serenity,rolembergfilho/Serenity,volkanceylan/Serenity,rolembergfilho/Serenity,volkanceylan/Serenity,WasimAhmad/Serenity,dfaruque/Serenity,dfaruque/Serenity