CLOUDSTACK-7516: Fixed resource permission issue in test_snapshots.py, account was using template registered with other account

Signed-off-by: SrikanteswaraRao Talluri <talluri@apache.org>
CLOUDSTACK-7387: Corrected code related to adding host tags

Signed-off-by: SrikanteswaraRao Talluri <talluri@apache.org>
CLOUDSTACK-7552: In hyper-v additional data disks will be mapped to /dev/sdb
Made changes to test_volumes.py accordingly
CLOUDSTACK-7554 : Fixed the script - /component/test_templates.py - User Account now has permissions to the Template created by Admin
Fix CID-1222222