CLOUDSTACK-5154: Fixed test script issue related to failure  in creating snapshot from volume
CLOUDSTACK-5154: Fixed test script issue related to failure
 in creating snapshot from volume

Signed-off-by: Girish Shilamkar <e2847a3185b3178e060b703102f6a3547bdeb7b4@clogeny.com>

jcshen007/cloudstack,DaanHoogland/cloudstack,GabrielBrascher/cloudstack,jcshen007/cloudstack,resmo/cloudstack,wido/cloudstack,jcshen007/cloudstack,DaanHoogland/cloudstack,jcshen007/cloudstack,DaanHoogland/cloudstack,wido/cloudstack,GabrielBrascher/cloudstack,GabrielBrascher/cloudstack,GabrielBrascher/cloudstack,DaanHoogland/cloudstack,resmo/cloudstack,DaanHoogland/cloudstack,resmo/cloudstack,wido/cloudstack,wido/cloudstack,GabrielBrascher/cloudstack,GabrielBrascher/cloudstack,wido/cloudstack,resmo/cloudstack,GabrielBrascher/cloudstack,wido/cloudstack,wido/cloudstack,resmo/cloudstack,jcshen007/cloudstack,jcshen007/cloudstack,DaanHoogland/cloudstack,jcshen007/cloudstack,DaanHoogland/cloudstack,resmo/cloudstack,resmo/cloudstack