FixKit AI

Loop/Prompt Library / Speed, performance & cost

๐Ÿ” Faster test suite

Makes tests run faster without testing less.

Use it when: Slow tests are holding up your work or your CI.

๐Ÿ›‘ Stops when: Tests run faster on a repeatable timer, all pass, and coverage did not drop.

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Time the full test suite for [project] three times and record coverage. Find the slowest parts and speed up one thing at a time, like shared setup, parallel runs, or replacing slow waits. Never delete tests, weaken checks, or drop coverage. After each change, re-time the suite and re-check coverage. Keep only real wins. Stop after [8] changes or when nothing more helps. Show before-and-after times.

Review every change the agent makes before you keep it. Set a budget or round limit โ€” the prompt includes one.

Idea from Forward Future's Loop Library ยท by Matthew Berman. Prompt rewritten in plain English by FixKit AI.

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