Sometime, a package is renamed in new major version and so tests like

rlAssertRpm ${PACKAGE}-gui

can start to fail. One approach how to fix this is used in policycoreutils/org-selinux-dbus-interfaces/runtest.sh

rlRun "rpm -q policycoreutils-dbus || rpm -q policycoreutils-gui" 0

In PR https://src.fedoraproject.org/tests/selinux/pull-request/40 was suggested use

 rlRun "rpm -qf /path/to/file" 0

which would make the test simpler.

Also I would like to consider if such test for a subpackage needs to be used as it has the same version as the main package and therefore

rlAssertRpm ${PACKAGE}

provides enough information and there's no need to check sub-package version.