code cleaning :

 * remove unused spaces
 * remove the use of run parameter : now "--run_only=test_name" parameter can
   be passed to runUnitTest to run only desired tests, so this beucome useless.


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@31267 20353a03-c40f-0410-a6d1-a30d3c3de9de