* 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)
* Fix `iterators` test for osx.
* Enable `git` test for osx.
* Enable `get_url` test for osx and freebsd.
* Remove unused SNI_URI from uri test.
* Use ansible hosted SNI host oustside docker.
* Enable `uri` test for osx and freebsd.
* Enable `gathering_facts` test for osx.
* Skip single task on osx until test is fixed.
