--- title: "Vitaliy Potapov (@vitalets) | Hashnode" description: "Fell stack developer in MedTech. Read the latest articles by Vitaliy Potapov on Hashnode." url: "https://hashnode.com/@vitalets" --- @vitalets # Vitaliy Potapov @vitalets · Spain · Joined November 2017 Fell stack developer in MedTech ### [Global Cache: Make Playwright BeforeAll Run Once for All Workers](https://vitalets.hashnode.dev/global-cache-make-playwright-beforeall-run-once-for-all-workers?utm_source=hashnode&utm_medium=feed) Speed up your Playwright tests by sharing data across parallel workers. 8 min read · [vitalets.hashnode.dev](https://vitalets.hashnode.dev/global-cache-make-playwright-beforeall-run-once-for-all-workers?utm_source=hashnode&utm_medium=feed) [Aug 12, 2025](https://hashnode.com/posts/global-cache-make-playwright-beforeall-run-once-for-all-workers/689b05bb2b4746dd2f32d8f0) ### [Open bookmarks in a new tab by default — easier said than done](https://vitalets.hashnode.dev/open-bookmarks-in-a-new-tab-by-default-easier-said-than-done?utm_source=hashnode&utm_medium=feed) A Chrome extension that solves a long-standing annoyance. 6 min read · [vitalets.hashnode.dev](https://vitalets.hashnode.dev/open-bookmarks-in-a-new-tab-by-default-easier-said-than-done?utm_source=hashnode&utm_medium=feed) [May 1, 2025](https://hashnode.com/posts/open-bookmarks-in-a-new-tab-by-default-easier-said-than-done/68134fbdac45b0b21a17d021) ### [Request-Mocking-Protocol: A New Approach to Mocking Server-Side Requests in E2E Testing](https://vitalets.hashnode.dev/request-mocking-protocol-a-new-approach-to-mocking-server-side-requests-in-e2e-testing?utm_source=hashnode&utm_medium=feed) In modern web development, end-to-end testing is essential for ensuring that applications behave as expected. When using new features like React Server Components, we often rely on third-party APIs to fetch data on the server. While this approach off... 8 min read · [vitalets.hashnode.dev](https://vitalets.hashnode.dev/request-mocking-protocol-a-new-approach-to-mocking-server-side-requests-in-e2e-testing?utm_source=hashnode&utm_medium=feed) [Mar 13, 2025](https://hashnode.com/posts/request-mocking-protocol-a-new-approach-to-mocking-server-side-requests-in-e2e-testing/67d2ba2605fe859fa13f27b6) ### ["Fix with AI" Button in Playwright HTML Report](https://vitalets.hashnode.dev/fix-with-ai-button-in-playwright-html-report?utm_source=hashnode&utm_medium=feed) Accelerate Test Fixes with Auto-Generated Prompts 10 min read · [vitalets.hashnode.dev](https://vitalets.hashnode.dev/fix-with-ai-button-in-playwright-html-report?utm_source=hashnode&utm_medium=feed) [Jan 13, 2025](https://hashnode.com/posts/fix-with-ai-button-in-playwright-html-report/67856085a699f4d4f812594e) ### [Supercharge Your E2E Tests with Playwright-Network-Cache](https://vitalets.hashnode.dev/supercharge-your-e2e-tests-with-playwright-network-cache?utm_source=hashnode&utm_medium=feed) Intro When working with end-to-end testing frameworks like Playwright, handling network requests is often a complex task. Tests that rely on external APIs can be slow and inconsistent, introducing unnecessary flakiness. Network calls that succeed in ... 5 min read · [vitalets.hashnode.dev](https://vitalets.hashnode.dev/supercharge-your-e2e-tests-with-playwright-network-cache?utm_source=hashnode&utm_medium=feed) [Oct 8, 2024](https://hashnode.com/posts/supercharge-your-e2e-tests-with-playwright-network-cache/6704ce687db1749b7123e131)