caucase.test: Add space after comma.

4 jobs for master in 0 seconds
Status Job ID Name Coverage
  External
passed SlapOS.Eggs.UnitTest-Master.Python2

00:11:16

passed SlapOS.Eggs.UnitTest-Master.Python3

00:12:35

passed SlapOS.Eggs.UnitTest-Master.Python2

00:08:17

failed SlapOS.Eggs.UnitTest-Master.Python3

00:09:50