Fix run_tests.sh when using Upstream-Id in change
Fix run_tests.sh when using Upstream-Id in change

We should not use PROJECT_TO_BUILD in this case, since we do use the
same project name in review.rdoproject.org and upstream for clients
(e.g. python-barbicanclient). Instead, we should find the upstream
project name from rdoinfo.

Change-Id: I3a5505d50ad6bd2ca0fbcb0499ad3129f0319f4a

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