Fix integration tests and Added wildcard to allow all domains

[Mossaka]

• fixed integration tests
• added wildcard
• added unit tests

[radu-matei]

Could you please keep the useful commits here?

Thanks a lot!

[Mossaka]

Could you please keep the useful commits here?

Thanks a lot!

Do you mean by doing just a merge commit, instead of squash commit?

[lann]

Might want to be more cautious here: https://github.com/fermyon/spin/issues/421#issuecomment-1116104278

(I'm not a maintainer on this project, but I would block merge pending this discussion.)

[lann]

Thanks!