Observed arrival · 2026-11-09
AI Testing in Practice: The test that catches the bug
A practical guide site for software testers adopting AI and LLM testing, with articles, a book, and a free verification lab.
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- Software testers working with AI-generated code
- Worth noticing
- Its lab output shows AI-written tests passing on broken code while verification tests report failures.
Field notes
The example uses a seeded off-by-one error in coupon eligibility: the weak test checks a $25 order, while the verification test targets the $20 boundary. The displayed lab output separates weak tests, verification tests, critique, and mutation checks, with counts for each; the page also links to further guides on evals, flaky tests, and prompt injection.
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