A mushroom-ID handheld is one bad push away from stranding foragers. Testers want to know the previous model (or the whole pipe-plus-model) can be restored. When must rollback testing be performed?
Select an answer to reveal the explanation.
Short Explanation
A handheld one bad push from stranding foragers needs rollback readiness of the previous model, or of the whole pipe-plus-model. Rollback testing must be performed before deployment. Waiting until after go-live, treating it as out of syllabus, or substituting a small live canary miss that timing.
Full Explanation
Rollback testing of the model or the full system must be done before go-live to confirm rollback readiness. Waiting until after go-live, treating it as out of syllabus, or substituting a canary miss that timing.