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e2e-testing-pro

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End-to-end testing mastery: critical journeys, Playwright/Cypress patterns, flakiness control, and CI integration. Use when building or fixing browser E2E suites.

skills/e2e-testing-pro/SKILL.md

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# E2E Testing Pro

## Overview

End-to-end tests — **real browsers driving real user journeys** — are the highest-value and
highest-cost tests you own. Done right, they prove the thing that matters: users can accomplish
critical tasks. Done wrong, they're a slow, flaky suite everyone ignores. This skill covers the
discipline: which journeys to cover, how to write resilient tests, killing flakiness systematically,
and fitting E2E into CI without grinding it to a halt.

The through-line: few, fast, and trustworthy — E2E is a scalpel, not a blanket.

## When to use
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