Last Updated: November 21, 2025
Layers
| Layer | Tool |
|---|---|
Unit
|
Jest |
Integration
|
Testing Library |
E2E
|
Cypress |
Visual/A11y
|
Percy / Axe |
Commands
npm run test:unit
Unit
npx cypress run
E2E
npx axe ./path
Run accessibility
Tips
Keep tests deterministic, seed data, and record flakiness.
💡 Pro Tip:
Automate fast unit tests on every commit, schedule visual/a11y suites nightly.