Beta 3 - auto lock display not working?

Wondering if anyone else has seen this issue. My phone just keeps the display on forever no matter what I select for Auto Lock time-out. iOS 11 beta 3

Hi all, I am for 3 weeks on the previous developer ios 11 build. I heard 15A5318g came out yesterday, how can it be installed? The general - software update option is now showing me this option.

Beta 3 - auto lock display not working?
 
 
Q