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Master end-to-end testing with Playwright and Cypress to build reliable test suites that catch bugs, improve confidence, and enable fast deployment.
Passed 22 of 22 test cases with the skill, and 21 of 22 without it.
1 fixed21 passed either way0 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
A test case the skill fixed. Same model, same prompt, with and without the skill.
We have a TypeScript function `calculateOrderTotal` in our e-commerce backend that applies tiered percentage discounts, promotional coupon combinations, tax rates, and currency conversions based on 45 distinct rules. Provide a test strategy outlining the primary test level and approach for validating these mathematical calculation rules.
| Checked | Without skill | With skill |
|---|---|---|
| Recommends unit tests for validating calculation rules. | Passed | Passed |
| Advises against using end-to-end browser tests for mathematical calculation rules. | Missed | Passed |
The instructions your model reads when the skill loads.
Build reliable, fast, and maintainable end-to-end test suites that provide confidence to ship code quickly and catch regressions before users do.
What to Test with E2E:
What NOT to Test with E2E:
The Testing Pyramid:
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test cases passed, vs 21 / 22 without
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