Get rid of Test::Script

Just utilize require_ok() from Test::More we use already.

Signed-off-by: Petr Šabata <contyk@redhat.com>
Revert "Get rid of Test::Script"

require_ok() doesn't work as I expected.  I'll keep Test::Script for the
time being.

This reverts commit 24e4fa2f6edfef3264c145ea4c6d8698721c9c4b.
Test if the new hooks compile

Signed-off-by: Petr Šabata <contyk@redhat.com>