Added stub for manual auth tests.
Added stub for manual auth tests.

nbr1ninrsan2/angularfire,douglascorrea/angularfire,cesarmarinhorj/angularfire,itxd/angularfire,jamestalmage/angularfire,FirebaseExtended/angularfire,bpietravalle/angularfire,FirebaseExtended/angularfire,cesarmarinhorj/angularfire,FirebaseExtended/angularfire,bpietravalle/angularfire,denisKaranja/angularfire,jamestalmage/angularfire,douglascorrea/angularfire,douglascorrea/angularfire,yoda-yoda/angularfire,yoda-yoda/angularfire,fbentz/angularfire,itxd/angularfire,bpietravalle/angularfire,fbentz/angularfire,fbentz/angularfire,denisKaranja/angularfire,cesarmarinhorj/angularfire,itxd/angularfire,nbr1ninrsan2/angularfire,jamestalmage/angularfire,denisKaranja/angularfire,nbr1ninrsan2/angularfire,yoda-yoda/angularfire