Without this, kolla-ansible check fails with the following error:
Unable to retrieve file contents
Could not find or access '/path/to/kolla-ansible/ansible/check.yml'"}
Also adds the check command to the CI tests, to ensure that it does not
break again.
Change-Id: I9fc2f9999f55cb742ac3ac38579dcf26524a9fc7
Closes-Bug: #1790653