bug 1462475: Drop db fixture from test
bug 1462475: Drop db fixture from test

The db fixture was needed by the zone middleware, which is gone.

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