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Notes on testing, test data and agents.

Practical guides on Playwright, Cypress, flaky tests and getting real answers out of your test data.

FLAKY TESTS Flaky Tests: What They Are, Why They Happen, How to Fix Flaky tests pass and fail on the same code. Learn what causes them, how to detect them with retries and flake rates, and how to fix them for good. Nov 3, 2026

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