Fixes, Tests: engines section added to package.json + tests and fixes for filters

[netlify[bot]]

✅ Deploy Preview for krzysztofszumny ready!

Name	Link
🔨 Latest commit	979deacccbd2d1b689e5de593237e68cbed54813
🔍 Latest deploy log	https://app.netlify.com/sites/krzysztofszumny/deploys/63eadd9dae301a0008cb8621
😎 Deploy Preview	https://deploy-preview-43--krzysztofszumny.netlify.app/
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site settings.