Update the DNF spec tests with a helper
Update the DNF spec tests with a helper

This synchronizes them better with the yum provider.

Signed-off-by: Lamont Granquist <0ab8dc438f73addc98d9ad5925ec8f2b97991703@scriptkiddie.org>

chef/chef,gene1wood/chef,MsysTechnologiesllc/chef,MsysTechnologiesllc/chef,tas50/chef-1,tas50/chef-1,gene1wood/chef,gene1wood/chef,tas50/chef-1,MsysTechnologiesllc/chef,MsysTechnologiesllc/chef,chef/chef,tas50/chef-1,gene1wood/chef,chef/chef,chef/chef