Added another test to check runtime.
Added another test to check runtime.

- Moved test clean up code to the tearDown() method.

Change-Id: I112b75eae868eff124ab53ee1f26173fa688e436
Signed-off-by: Christopher M. Cantalupo <9cf3ecca60a3dd7112ab0e7250bedb8a752e3958@intel.com>
Signed-off-by: Geltz, Brad <e42f3ad4099980ea02f08e076efbee5cf9d4a803@intel.com>

cmcantalupo/geopm,geopm/geopm,sssylvester/geopm,cmcantalupo/geopm,cmcantalupo/geopm,cmcantalupo/geopm,sssylvester/geopm,geopm/geopm,cmcantalupo/geopm,geopm/geopm,geopm/geopm,geopm/geopm,sssylvester/geopm,sssylvester/geopm