ShockDev - Producer on H1Z1 explains the new publish cycle.

Read all the details on the link below but in summary after this week’s publish, they will be making a slight adjustment to the publish cycle.

Test Server: Thursday
Live publish: (Following) Tuesday

Thursday will now be the target date to release a build to the Test Server environment.
Then...the following Tuesday will be the target date for the transition from Test Server to all live servers.

Source: Reddit