* Update Shippable integration test groups.
* Update integration test group aliases.
* Rebalance AWS and Azure tests with extra group.
* Rebalance Windows tests with another group.
(cherry picked from commit 4e489d1be8)
* Add some integration tests for ec2_vpc_net module
* Add a couple tests for check mode
fix typo
ensure the DHCP option set is cleaned up
* Add permissions to test policy