MLOps
Behavioural Testing
Testing model properties rather than exact outputs: invariance, directional expectation, and minimum functionality.
Why interviewers ask about it
You cannot assert predict(x) == 0.73, so assert 'more failed payments must increase churn risk'. Catches regressions an aggregate AUC threshold hides completely.
This term is part of the free AI/ML Engineer interview preparation module - browse the full glossary for every definition.