[spark] configurable integration test

[netlify[bot]]

✅ Deploy Preview for mellifluous-eclair-326dcd ready!

Name	Link
🔨 Latest commit	c138c8d295dcb096bd99cffb24da7e53e9650b6f
🔍 Latest deploy log	https://app.netlify.com/sites/mellifluous-eclair-326dcd/deploys/6672c85dea3c140008d26451
😎 Deploy Preview	https://deploy-preview-340--mellifluous-eclair-326dcd.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 configuration.