make sure yum-utils is installed on qe server
make sure yum-utils is installed on qe server

Installing dependencies of rpm validation tests (``usmqe_tests/rpm``)
introduced in this pull request:

https://github.com/Tendrl/usmqe-tests/pull/56

Package yum-utils is required because of repoclosure and yumdownloader.

usmqe/usmqe-setup,mkudlej/usmqe-setup,usmqe/usmqe-setup,mkudlej/usmqe-setup