[ci] When backend api test fail, artifact should be avalaible

[aHenryJard]

In drone when the api-test step fails on sync we have some file to help debugging.

On github action the upload is not done on fail, it's an issue we need the test-result content to help debugging sync tests.

vs

[aHenryJard]

I didn't checked but it should be true for e2e too if not yet.