Title: #5049: [Backport][ipa-4-8] ipatests: stop the CA during healthcheck expiration
This PR was opened automatically because PR #5040 was pushed to master and backport to
ipa-4-8 is required.
To pull the PR as Git branch:
git remote add ghfreeipa https://github.com/freeipa/freeipa
git fetch ghfreeipa pull/5049/head:pr5049
git checkout pr5049