* modules/jenkins/files/slave_scripts/run-tox.sh: Subunit v2 log files
written by testr will output to .testrepository/$id.2. If this file is
present copy it instead of .testrepository/$id as the subunit log.
Change-Id: I3b43aa2c267773ee9d51ca369f0236e8bf9d628d
Reviewed-on: https://review.openstack.org/26417
Reviewed-by: lifeless <robertc@robertcollins.net>
Reviewed-by: James E. Blair <corvus@inaugust.com>
Approved: Jeremy Stanley <fungi@yuggoth.org>
Reviewed-by: Jeremy Stanley <fungi@yuggoth.org>
Tested-by: Jenkins