Fix test failure for PushEventLogger
Fix test failure for PushEventLogger

Turns out I was expecting push events for *tag* creation instead
of *branch* creation. Bummer.

Gitorious-backup/mainline,gitorious/mainline,SamuelMoraesF/Gitorious,tigefa4u/gitorious-mainline,rae/gitorious-mainline,elcom/gitorious,rae/gitorious-mainline,elcom/gitorious,rae/gitorious-mainline,SamuelMoraesF/Gitorious,elcom/gitorious,SamuelMoraesF/Gitorious,gitorious/mainline,Gitorious-backup/mainline,spencerwp/mainline,Gitorious-backup/mainline,elcom/gitorious,rae/gitorious-mainline,tigefa4u/gitorious-mainline,Gitorious-backup/mainline,tigefa4u/gitorious-mainline,gitorious/mainline,tigefa4u/gitorious-mainline,spencerwp/mainline,gitorious/mainline,spencerwp/mainline,spencerwp/mainline,SamuelMoraesF/Gitorious