dnd 5e – Do mechanical events carry over during the Tests of the Frostmaiden?

During the Trials of the Frostmaiden, the PCs have the opportunity to use resources and/or undergo effects/conditions/other mechanical events.

What isn’t clear is whether players retain those conditions/changes when they return from each test.

Have I missed some guidance on this in the adventure, or is it something obvious (one way or the other!) that I’m missing.