The setUp/dearDown names are used in the unittest module, but there is no reason
to use them in non-`unittest` test cases.
Nose supports both styles (but mixing them can cause trouble when
calling super()'s methods).
Pytest only supports the new ones.
https://fedorahosted.org/freeipa/ticket/4610
Reviewed-By: Tomas Babej <tbabej@redhat.com>
Add a new API command 'adtrust_is_enabled', which can be used to determine
whether ipa-adtrust-install has been run on the system. This new command is not
visible in IPA CLI.
Use this command in idrange_add to conditionally require rid-base and
secondary-rid-base options.
Add tests to cover the new functionality
https://fedorahosted.org/freeipa/ticket/3634
