Fixing more typos in auth test spec descriptions
Fixing more typos in auth test spec descriptions

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