Title: #5434: Adding multihost tests for ad_allow_remote_domain_local_groups, bz1883488
This is the first multihost test that requires more than one AD server, it requires a
root, child and tree domain and users created from the playbooks in CI.
To pull the PR as Git branch:
git remote add ghsssd https://github.com/SSSD/sssd
git fetch ghsssd pull/5434/head:pr5434
git checkout pr5434