Use dlrn-1.cfg on mock scrub call in run_project_tests.sh
Use dlrn-1.cfg on mock scrub call in run_project_tests.sh

This is needed after the parallel mock patch was added. It's ok in
run_tests.sh

Change-Id: I3a1480e8985ca85160ac513c035d7a437c46e044

openstack-packages/delorean,openstack-packages/delorean,openstack-packages/DLRN,openstack-packages/DLRN