Logs disappear silently when using AddTestScope

Logs disappear silently when using AddTestScope: a task in MiMo-V2.6-RL-harbor-code: MiMo-V2.6-RL Code (Harbor) (Harbor dataset). I'm writing a devstack test and using devtest.AddTestScope(ctx, "...") to tag log lines with a test scope. After adding the scope, log calls that go through the…