Tutorials·13 June 2026 · 9 min read
How I evaluate an AI chatbot before release
A practical evaluation pass for AI chat features: hallucinations, refusals, prompt injection, and the cases with no single right answer.
ai-testingllmevaluation
Deep dives·13 June 2026 · 9 min read
Prompt injection testing for QA engineers
LLMs can't reliably separate instructions from data, so user input can hijack the model. Direct and indirect injection, what to check for, and how to report it QA-safe.
ai-testingsecurity-testingprompt-injectionllm
Tutorials·13 June 2026 · 8 min read
What QA should log when testing AI features
A screenshot isn't a repro when outputs vary. Capture the full assembled prompt, retrieved context, model version, and parameters so an AI bug is actually reproducible.
ai-testingobservabilityllm
Tutorials·13 June 2026 · 9 min read
The hallucination test cases I run on AI features
Concrete test cases for AI hallucination — unanswerable questions, false premises, invented entities, citations — and how to judge answers with no 'correct' value.
ai-testingllmhallucinationtest-cases