An owner_type of "Usergroup" is ignored when owner_id is not specified
|Assigned To:||Shimon Shtein|
|Target version:||Team Ivan Iteration 3|
|Found in release:||Pull request:||https://github.com/theforeman/foreman/pull/3740|
|Velocity based estimate||-|
Is the owner_id is not specified when specifying the owner type,
Foreman silently falls back to owner_type user and current user
instead of failling properly.