The test phase is expected to last until the first major patch, with your friends getting in before the end of the test as they continue to send out waves of invites to those who signed up for the playtest.
(who ever want to get invited feel free to comment it or send me Friend request i'll be happy to invite you or join discord server here[discord.gg] )

How to play Deadlock anytime you want
To play when you want, you need to change the region through the console
(Console opens by default to the F7 key)

Commands:

North America: citadel_region_override 0
Monday - Thursday: 12:00 AM - 1:00 PM
Friday - Sunday: 10:00 PM - 1:00 PM

Europe: citadel_region_override 1
Monday - Thursday: 4:00 PM - 4:00 AM
Friday - Sunday: 2:00 PM - 4:00 AM

Asia: citadel_region_override 2
Monday - Thursday: 10:00 AM - 10:00 PM
Friday - Sunday: 8:00 AM - 10:00 PM

South America: citadel_region_override 3
Monday - Thursday: 10:00 PM - 10:00 AM
Friday - Sunday: 8:00 PM - 10:00 AM

Oceania: citadel_region_override 5
Monday - Thursday: 07:00 AM - 07:00 PM
Friday - Sunday: 03:00 AM - 07:00 PM

Switching to servers that are too remote can significantly worsen your ping and you'll get caught with players whose language you probably don't know