* Update Shippable integration test groups.
* Update integration test group aliases.
* Rebalance AWS and Azure tests with extra group.
* Rebalance Windows tests with another group.
* add acr
* acr
* acr
* fix a minor error
* add tests and fixes as suggested
* use get_mgmt_svc_client to enable bi
* fixes as zim suggested
* code refinement
* get acr instance before update
* fix a bug
* remove Classic sku as it's going to deprecate
* pass sanity test
* fix sanity
* fixes based on comments
* fix broken namespace unregistered error
* fix a bug
* fix a bug
* fix
* add register namespace
* fixes tests
* remove pdb
* add ci azure test
* removed required: false
* renamed acr -> containerregistry
* fixed spelling mistake
* fixed idempotence
* fix for idempotence was wrong
* fixed a few issues
* different log when exception different than ResourceNotFound
* self.fail instead of log
* updated sample return value
* added login server in results
* fixed else
* fixed line too long
* cmp -> __ne__
* fixed trailing whitespace
* output.changed is false when instance updated
* fix for state change
* one more update
* update instance only when location or sku has changed
* fixed syntax error
* fixed acr test
* just removed unnecessary comment to trigger ci
* update return value shape
* flatten `state`
* change credential dictionary state
* add credentials to integration tests