How do you implement an efficient and robust authentication strategy in Playwright for E2E tests, minimizing setup time

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Many E2E test suites suffer from slow execution and flakiness due to repetitive login flows. ❌ Running full UI login steps before every test suite or spec significantly increases test duration. ❌ UI interactions for login can be unstable, leading to unreliable tests that fail intermittently. This approach captures cookies, local storage, and session storage after a successful login, allowing subsequent tests to start with an authenticated session. • Step 1: Configure global-setup in playwright. config. ts Define a setup file that runs once before all tests. globalSetup: require. resolve('.

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