Both players are tipped for big things and were put through the wringer by Scotland striker Chris Iwelumo in the 2-2 draw.
Gunners reserves coach Neil Banfield told arsenal.com: "I thought he caused us all sorts of problems and I think it was a good test for Kyle Bartley and Luke Ayling. At times they found it a problem but that's part of becoming a top player.
"You've got to work out what is giving you a problem then try and rectify it and find another solution to beat it. At times I didn't think we did for the first hour and then we seemed to get to grips with it but that's part of learning."