* essential fixes in 2.5
* one more fix
* disable try to see whats the problem
* fix indent
* try to fix msrest version
* fixed test
* undo try-except commenting out
* updated tests
* 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)