Removed the tests related to the latest_changes method.
Removed the tests related to the latest_changes method.

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