CLOUDSTACK-7616: Fixed test_escalations_ipaddress.py - test suite should use its own vpc offering

Signed-off-by: SrikanteswaraRao Talluri <talluri@apache.org>
CLOUDSTACK-7603: Fixed test_escalations_network.py - test suite should use its own vpc offering

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