improve facets tests
improve facets tests

valnet/valuenetwork,simontegg/valuenetwork,FreedomCoop/valuenetwork,simontegg/valuenetwork,thierrymarianne/valuenetwork,valnet/valuenetwork,django-rea/nrp,FreedomCoop/valuenetwork,django-rea/nrp,thierrymarianne/valuenetwork,valnet/valuenetwork,simontegg/valuenetwork,simontegg/valuenetwork,django-rea/nrp,FreedomCoop/valuenetwork,thierrymarianne/valuenetwork,thierrymarianne/valuenetwork,valnet/valuenetwork,django-rea/nrp,FreedomCoop/valuenetwork