A Playwright test passing against a page that had been replaced, because the assertions were generic enough to match both. A test that asserts on generic structure passes…
A test that had passed ten thousand times serially and failed roughly one run in twelve once eight processes shared a clock. Serial execution made the timing deterministic…
A test that filled a form, submitted it and asserted on the resulting page, which passed when the redirect went somewhere wrong. Asserting on a page’s content without…