ipatests: Check if user with 'User Administrator' role can delete group.
Test scenario:
- create a test user with the 'User Administrator' role
- as this test user, create a new group
- as this test user, delete the new group
Related: https://pagure.io/freeipa/issue/6884
Co-authored-by: Nikhil Dehadrai <ndehadra@redhat.com>
Signed-off-by: Florence Blanc-Renaud <flo@redhat.com>
Reviewed-By: Mohammad Rizwan Yusuf <myusuf@redhat.com>