Revert "Merge pull request #308 from kubark42/vibrationtest"

This reverts commit 0f3996519ec768099265d39f9b06acb82f555ef5, reversing
changes made to 9ff4fbce072b423d08f72ea4606e69a979b7a7ec.
Merge pull request #319 from lilvinz/revert_308

Looks fine. Seems to hit all the same lines and files.