> Markdown version of [/events/world-congress-2025/sessions/686-the-2025-state-of](https://www.wearedevelopers.com/events/world-congress-2025/sessions/686-the-2025-state-of). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # The 2025 State of JavaScript Testing - **Date:** Thursday, Jul 10, 2025 - **Time:** 16:50–17:20 (30 min) - **Room:** Stage 9 - **Event:** World Congress 2025 - **Tags:** ai, frontend, javascript, playwright, testing ## Recording [Watch recording](https://www.wearedevelopers.com/videos/1678-the-2025-state-of-javascript-testing) ## Description Have we been stuck in the same testing pain loops for years? Even though it might seem like it, we haven't! Even if AI is now writing our tests, many JavaScript developers have faced numerous challenges, from the unclarity of test classifications to the struggle of mocking, long-running integration tests, and shifting everything to E2E tests. Let's recap everything that has happened in the past years and look into the present to explore what 2025 will bring for testing in the JavaScript world around test runners, testing libraries, mocking, production practices, and AI-based tools. ## Speaker ### [Daniel Afonso](https://www.wearedevelopers.com/@daniel-afonso) Senior Developer Advocate at PagerDuty ## Related talks at this congress - [Accessibility Test Driven Development](https://www.wearedevelopers.com/events/world-congress-2025/sessions/717-accessibility-test) — Maria Korneeva - [How to add test automation to your project: The good, the bad, and the ugly](https://www.wearedevelopers.com/events/world-congress-2025/sessions/701-how-to-add-test) — Augustin Gottlieb - [How Unit Testing Saved My Career](https://www.wearedevelopers.com/events/world-congress-2025/sessions/847-how-unit-testing) — Annelore Egger - [Reimagining the Developer Experience: The AI Advantage](https://www.wearedevelopers.com/events/world-congress-2025/sessions/619-reimagining-the) — Anu Bharadwaj, Tobias Schlottke