Use current STATIC_URL setting in test
Use current STATIC_URL setting in test

The path of the experiment JS can change due to STATIC_URL, which can
now be set from the environment.

mozilla/kuma,a2sheppy/kuma,jwhitlock/kuma,jwhitlock/kuma,Elchi3/kuma,Elchi3/kuma,Elchi3/kuma,mozilla/kuma,escattone/kuma,mozilla/kuma,a2sheppy/kuma,SphinxKnight/kuma,SphinxKnight/kuma,jwhitlock/kuma,SphinxKnight/kuma,a2sheppy/kuma,SphinxKnight/kuma,jwhitlock/kuma,escattone/kuma,SphinxKnight/kuma,jwhitlock/kuma,Elchi3/kuma,escattone/kuma,a2sheppy/kuma,mozilla/kuma,mozilla/kuma,a2sheppy/kuma,Elchi3/kuma,SphinxKnight/kuma