The End of “Expected Result”: Why Traditional QA Fails in the AI Era

Trendyol's AI transformation faced major QA challenges when deploying AI-powered code reviewers and support bots. Traditional testing methods failed due to non-deterministic outputs, hallucinations, and prompt injection vulnerabilities. The team developed new strategies including semantic similarity testing, probabilistic assertions, RAG verification for hallucinations, adversarial test suites, and tone validation to ensure AI system reliability.