packaging: Updated the skipTests instruction for mvn build
packaging: Updated the skipTests instruction for mvn build

Replaced maven.test.skip=true in rpm-quick make target with the
more correct skipTests=true.

Change-Id: If506bcdedb064a10675f5f838e75d17e9c0cdcd4
Signed-off-by: Alex Lourie <9b6bd04ec8ec26165955e5c2df3f157a49c49dc0@redhat.com>

yingyun001/ovirt-engine,OpenUniversity/ovirt-engine,OpenUniversity/ovirt-engine,OpenUniversity/ovirt-engine,zerodengxinchao/ovirt-engine,walteryang47/ovirt-engine,walteryang47/ovirt-engine,yapengsong/ovirt-engine,yingyun001/ovirt-engine,eayun/ovirt-engine,halober/ovirt-engine,halober/ovirt-engine,zerodengxinchao/ovirt-engine,eayun/ovirt-engine,OpenUniversity/ovirt-engine,eayun/ovirt-engine,halober/ovirt-engine,eayun/ovirt-engine,zerodengxinchao/ovirt-engine,zerodengxinchao/ovirt-engine,OpenUniversity/ovirt-engine,yapengsong/ovirt-engine,yapengsong/ovirt-engine,walteryang47/ovirt-engine,halober/ovirt-engine,yingyun001/ovirt-engine,yingyun001/ovirt-engine,walteryang47/ovirt-engine,zerodengxinchao/ovirt-engine,yingyun001/ovirt-engine,eayun/ovirt-engine,yapengsong/ovirt-engine,walteryang47/ovirt-engine,yapengsong/ovirt-engine