Question 2016p test - how to?

Hello,
is there 2016p test and how to select it?
I have all other resolutions but 2160p is missing. I see that there are scores with that resolution so.. how?
Also cant select it in custom settings as well,max is 1440p

www.catzilla.com/toplist?page=1&firm=all...&manual=&submit=Show - 2160p will be available in Catzilla 4K - soon