#10 creer test d'integration et unitaire de timeline
Merge branch 'sprint2' of github.com:fabien-fac/ShareSport into issue10
Merge branch 'sprint2' of github.com:fabien-fac/ShareSport into issue10
#11 ajouter relation belongTo a Message
#3 ajouter le resultat de sauvegarde
#1 test d'integration de service de User
#10 test d'integration de Timeline