CLOUDSTACK-7863: Fix the script 'test_vpc_vms_deployment.py' - Test Cases failing on Simulator as Testcases try to ssh to the VMs

Signed-off-by: SrikanteswaraRao Talluri <talluri@apache.org>
CLOUDSTACK-7862: Fixed the script 'maint/test_high_availability.py' - Test Cases failing on Simulator as Testcases try to ssh to the VMs

Signed-off-by: SrikanteswaraRao Talluri <talluri@apache.org>