Description of problem: When running leapp preupgrade checks on Workstation variants of RHEL 7, leapp does not report this as an inhibitor even though in-place upgrade of Workstation systems is not supported. Version-Release number of selected component (if applicable): leapp-0.15.0-2.el7_9.noarch How reproducible: Any time preupgrade report is created Steps to Reproduce: 1. Install leapp on Workstation variant RHEL 7 system 2. Run leapp preupgrade. 3. Preupgrade does not note that the upgrade is unsupported on Workstation variant. Actual results: Leapp preupgrade does not report Workstation variant as an inhibitor. Expected results: Leapp preupgrade results should clearly report that an in-place upgrade of the system is unsupported and the only supported option is to install a fresh RHEL 8 system.