Level stairs test fix (again)
Fixed the tests in stairs that were broke by a merge + added a validation check for the answer.
[A venir] Mise en place de quotas sur nos instances GitLab. Plus d'information sur : https://doc-si.inria.fr/pages/viewpage.action?pageId=129728565
[Coming soon] Quotas installation on our GitLab instances. More information: https://doc-si.inria.fr/pages/viewpage.action?pageId=129728565
La mise à jour de sécurité sans préavis est terminée. Désolé pour cette interruption de service de quelques minutes.
Fixed the tests in stairs that were broke by a merge + added a validation check for the answer.