* start implementation
* handle members correctly
* fix group member info
* align groupable devices with group members
* handle group endpoint adding and removing
* update add group
* update group and group member
* update create group
* remove domain check
* update test
* remove temporary 2nd groupable device api
* update test
* rename validator - review comment
* fix test that was never running
* additional testing
* fix coordinator descriptors
* remove check that was done twice
* update test
* Use AsyncMock()
Co-authored-by: Alexei Chetroi <lexoid@gmail.com>