* Update Shippable integration test groups.
* Update integration test group aliases.
* Rebalance AWS and Azure tests with extra group.
* Rebalance Windows tests with another group.
* Slight refactor on vmware_guest to fix path searching and vcsim compatibility.
* Clean up pep8 errors
* Fix more pep8 issues
* Add assertions
* Remove debug failure
* Update docsting for folder with examples
* Revise _get_vm_prop based on suggestions
* Implement folder walker to find a folder path
* More enhancements for datacenter->datacenter cloning
* Fix a few pep8 issues
* Remove useless check for subclass of None
* Fix a few suggestions
* Move serialize_spec to a util function
* Group exceptions together
Fixes#25011