Assert that Vary setting succeeds
Assert that Vary setting succeeds

varnish/Varnish-Cache,varnish/Varnish-Cache,feld/Varnish-Cache,feld/Varnish-Cache,varnish/Varnish-Cache,gquintard/Varnish-Cache,varnish/Varnish-Cache,gquintard/Varnish-Cache,feld/Varnish-Cache,feld/Varnish-Cache,varnish/Varnish-Cache,gquintard/Varnish-Cache,gquintard/Varnish-Cache,feld/Varnish-Cache