Evgenii Sukhanov shares practical insights on testing product analytics in mobile apps, covering common pitfalls, effective testing strategies and best practices for documentation. The session explains what product analytics is, why it matters, and how missing or incorrect event data can lead to misguided product decisions. Combining developer and QA perspectives, it demonstrates how unit tests, UI tests, and manual validation work together to ensure reliable and actionable data, with concrete tips to improve analytics quality and cross-team collaboration.