tester: register the spawned test processes with a unique name (if possible)
tester: register the spawned test processes with a unique name (if possible)

git-svn-id: d89f83fc72fb49d2f5b112dfb73cea192610bdff@3701 71766da9-9752-0410-ab17-bfafa751c56a

fredrikelinder/scalaris,fredrikelinder/scalaris,fredrikelinder/scalaris,fredrikelinder/scalaris,fredrikelinder/scalaris,fredrikelinder/scalaris