Treat an unsupported disttype as missing feature
Treat an unsupported disttype as missing feature

Doesn't help much as no test will be run if 'rpm' is
not supported, but hey...

JacksonIsaac/libsolv,JacksonIsaac/libsolv,JacksonIsaac/libsolv,JacksonIsaac/libsolv,JacksonIsaac/libsolv