Testing

Answer-first: Production agent evaluation frameworks eliminate silent regressions from upstream model weight updates by implementing a four-tiered testing hierarchy: deterministic unit assertions, tool schema validation, position-swapped LLM judges calibrated against human experts using Cohen’s Kappa, and SWE-bench sandbox execution to mathematically score reasoning trajectory fidelity and guarantee backward-compatible task completion across enterprise CI/CD release pipelines. Prerequisite: Strong foundation in statistical hypothesis testing, inter-rater reliability metrics (Cohen’s Kappa), CI/CD automated test harness design, and synthetic dataset generation methodologies is recommended. ...

Answer-first: Autonomous QA engineering leverages Playwright Model Context Protocol servers and self-healing selector engines to generate, execute, and repair end-to-end regression suites dynamically, analyzing Document Object Model mutations and generating synthetic edge-case test payloads that ensure robust application resilience across diverse modern web browsers and mobile interfaces with zero manual test script maintenance. Prerequisite: Familiarity with Playwright / Puppeteer browser automation, CSS / XPath selectors, and synthetic test data generation. ...