Fix lock files littering working dir during tests
Fix lock files littering working dir during tests

Change path used for tests by coordination module file locks.

Closes-Bug: 1594390
Change-Id: I8af77b678e2f708e51cdf15d4c3e4c959e9b47ee

Datera/cinder,cloudbase/cinder,Hybrid-Cloud/cinder,NetApp/cinder,eharney/cinder,mahak/cinder,Nexenta/cinder,bswartz/cinder,bswartz/cinder,eharney/cinder,ge0rgi/cinder,Nexenta/cinder,Hybrid-Cloud/cinder,j-griffith/cinder,Datera/cinder,j-griffith/cinder,phenoxim/cinder,openstack/cinder,phenoxim/cinder,cloudbase/cinder,mahak/cinder,NetApp/cinder,openstack/cinder