Added tests for the conditions feature.
Added tests for the conditions feature.

It's kind of wonky to manipulate the versioned options on the fly.

rthais/vestal_versions,houston/vestal_versions,laserlemon/vestal_versions,scottwillson/vestal_versions,bnadav/vestal_versions,Leadformance/vestal_versions,alexcrichton/vestal_versions,Skalar/vestal_versions,robertleelittleiii/vestal_versions