* 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)
* Nuage module and unit tests with requested changes
* Cleanup of imports
* Adding check on python version
* Adding import try and catch wrappers
* Cleanup of requirements and adding integration tests
* Using pypi package for simulator
* Cleanup of requirements and adding integration tests
* Adding aliases for integration tests
* Adding module to import sanity test skip list
* Revert "Adding module to import sanity test skip list"
This reverts commit eab23af8c5ca7c503af63c05610b5db66d31fae4.
* Adding check for importlib and cleanup of requirements
