Title: #5382: [Backport][ipa-4-9] ipatests: fix expected error message in test_commands
This PR was opened automatically because PR #5377 was pushed to master and backport to
ipa-4-9 is required.
To pull the PR as Git branch:
git remote add ghfreeipa https://github.com/freeipa/freeipa
git fetch ghfreeipa pull/5382/head:pr5382
git checkout pr5382