Title: #5228: ipatests: Test for IPATrustDomainsCheck with external trust to AD
This testcase checks that when external trust is configured between IPA and AD subdomain,
doesnot display ERROR.
To pull the PR as Git branch:
git remote add ghfreeipa https://github.com/freeipa/freeipa
git fetch ghfreeipa pull/5228/head:pr5228
git checkout pr5228