Add cleanup for device path test
Add cleanup for device path test

AndyHuu/flocker,agonzalezro/flocker,mbrukman/flocker,mbrukman/flocker,hackday-profilers/flocker,wallnerryan/flocker-profiles,AndyHuu/flocker,wallnerryan/flocker-profiles,agonzalezro/flocker,wallnerryan/flocker-profiles,w4ngyi/flocker,agonzalezro/flocker,w4ngyi/flocker,w4ngyi/flocker,mbrukman/flocker,hackday-profilers/flocker,AndyHuu/flocker,hackday-profilers/flocker