* Use dualzones for ci github actions
* Update advdualzone.cfg to be similar to advanced.cfg & fixup test_metrics_api.py
* Fixup e2e tests for running with multiple zones
* Add e2e tests for listing of accounts, disk_offerings, domains, hosts, service_offerings, storage_pools, volumes
* Fixup
* another fixup
* Add test for listing volumes with tags filter
* Add check for existing volumes in test_list_volumes
* Wait for volumes to be deleted on cleanup
* Filter out volumes in Destroy state before checking the count of volumes
This PR prepares marvin and tests for python3. it was part of #4479, until nose2 was decided to be abandoned from that PR.
Re-PR of #4543 and #3730 to enable cooperation
Co-authored-by: Daan Hoogland <dahn@onecht.net>
Co-authored-by: Gabriel Beims Bräscher <gabriel@apache.org>
Co-authored-by: Rohit Yadav <rohit.yadav@shapeblue.com>