Apply Plan-Do-Check-Act to reduce flaky automated test failures with evidence.
The checkout UI test fails intermittently on price totals and timeout waiting for the confirmation banner. Use PDCA to make one measured change at a time: Plan the hypothesis, Do the change, Check the failure rate, Act on evidence. Adding retries first can hide a real synchronization, data, or layer-placement problem while lowering trust in the suite. Plan Measure the last 50 runs and tag failures: 7 timeout waits, 0 assertion mismatches, 0 environment outages. The plan names one suspected cause: the test waits on time instead of a user-visible state. Measurement creates a baseline. Do change Replace the fixed…
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