In one of my previous commits (49ed6cff) I've introduced a test
among with some files stored under virnetdevtestdata folder.
While this works perfectly within a git tree, the folder was not
getting into .tar.gz and therefore the dist-check would fail.
Signed-off-by: NMichal Privoznik <mprivozn@redhat.com>
(cherry picked from commit 598f3fdd)