The migration date was manually changed in commit
d42d9202

Merge remote-tracking branch 'origin/features/5O5_generer_la_configuration_radio_pour_radius' into iteration_radio

The check of ability to delete a service is done by CanCanCan.
It already test that a member own the VpnService to allow him to destroy
a service.

Ajout de validations sur la méthode de renouvelement d'un abonnement VPN avec les tests unitaires associés.