tests: speed up findpkg integration test
tests: speed up findpkg integration test

Instead of running findpkg twice on the same set of projects with
absolute and relative path, run some queries with abosolute path and
some with relative, halving the test run time.

Change-Id: I43bcb269ddadaf231af71ec7013f7310a912ba62

redhat-openstack/rdopkg,redhat-openstack/rdopkg,openstack-packages/rdopkg,openstack-packages/rdopkg