Remove version pin for WebTest to make installation work again
Remove version pin for WebTest to make installation work again

Fixes hhucn/adhocracy.hhu_theme#448

alkadis/vcv,phihag/adhocracy,phihag/adhocracy,liqd/adhocracy,phihag/adhocracy,alkadis/vcv,DanielNeugebauer/adhocracy,liqd/adhocracy,alkadis/vcv,alkadis/vcv,DanielNeugebauer/adhocracy,liqd/adhocracy,DanielNeugebauer/adhocracy,phihag/adhocracy,liqd/adhocracy,DanielNeugebauer/adhocracy,DanielNeugebauer/adhocracy,phihag/adhocracy,alkadis/vcv