This essay was merged into Tests and Evaluations: What Does Green Prove? on 2026-10-22. Mocks versus real dependencies, the 45/80/60-second timeout example, fixed denominators and traceable evaluation corrections are now covered together.
This page preserves the published URL. It is not a separate essay, is excluded from search and the main catalog, and is not counted as a full English edition. The previous text remains in Git history.