Fix tests after merge of @239e2de.
Fix tests after merge of @239e2de.

Commit @239e2de added an option options argument to authWithCustomToken.
This caused a test failure.
Change tests to reflect new API.

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