Netlify CLI: what happens if this test does not push to prod?

[janpio]

Part of #3431

[janpio]

URL is returned in the CLI output:

$ /home/runner/work/ecosystem-tests/ecosystem-tests/platforms-serverless/netlify-cli/node_modules/.bin/netlify deploy --dir=. --functions=functions-build
Deploy path:        /home/runner/work/ecosystem-tests/ecosystem-tests/platforms-serverless/netlify-cli
Functions path:     /home/runner/work/ecosystem-tests/ecosystem-tests/platforms-serverless/netlify-cli/functions-build
Configuration path: /home/runner/work/ecosystem-tests/ecosystem-tests/platforms-serverless/netlify-cli/netlify.toml
Deploying to draft URL...
- Hashing files...
- Looking for a functions cache...
✔ No cached functions were found
✔ Finished hashing 23 files and 1 functions
- CDN diffing files...
✔ CDN requesting 1 files and 1 functions
- Uploading 2 files
✔ Finished uploading 2 assets
- Waiting for deploy to go live...
✔ Deploy is live!
Logs:              https://app.netlify.com/sites/prisma-ecosystem-tests-netlify-cli/deploys/6420713940a9a14a6d4ef20b
Website Draft URL: https://6420713940a9a14a6d4ef20b--prisma-ecosystem-tests-netlify-cli.netlify.app
If everything looks good on your draft URL, deploy it to your main site URL with the --prod flag.
netlify deploy --prod
Done in 12.94s.

Relevant bit:

Website Draft URL: https://6420713940a9a14a6d4ef20b--prisma-ecosystem-tests-netlify-cli.netlify.app

We would need to parse that from the output somehow to later be able to check if the URL works.