* 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)
* ini_file: add integration test
Start integration tests for ini_file module.
* ini_file test: add comments for lisibility
* update from review: use var instead of checksum to assert content