trivial: Add 'refresh' and 'clean' commands to internal test tool
trivial: Add 'refresh' and 'clean' commands to internal test tool

hughsie/libhif,rpm-software-management/libhif,rpm-software-management/libdnf,Conan-Kudo/libhif,hughsie/libhif,cgwalters/libhif,rpm-software-management/libhif,rpm-software-management/libdnf,Conan-Kudo/libhif,cgwalters/libhif,Conan-Kudo/libhif,rpm-software-management/libhif,cgwalters/libhif,rpm-software-management/libhif,edynox/libdnf,hughsie/libhif,juhp/libhif,rpm-software-management/libdnf,juhp/libhif,edynox/libdnf,edynox/libdnf,edynox/libdnf,kalev/libhif,hughsie/libhif,cgwalters/libhif,kalev/libhif,rpm-software-management/libdnf,Conan-Kudo/libhif