This commit makes possible to contribute to the os_congress role.
It ensures the roles follows the minimum testing, in order to
be improved later with further testing.
The minimum testing is a local API test that's currently not
passing and will be improved by the community.
Co-Authored-By: Taseer Ahmed <taseer94@gmail.com>
Co-Authored-By: Jesse Pretorius <jesse.pretorius@rackspace.co.uk>
Change-Id: Iffe98a040b93b1101fe3339edc84d6197e5a5da7