Some fixes for multicore mode

10 jobs for mcore in 1 minute and 8 seconds (queued for 1 second)
Status Name Job ID Coverage
  Check Commit
passed check_added_files #13896842

00:00:11

passed check_grid_size #13896844
cvmfs

00:00:34

passed check_jo_consistency #13896838

00:00:13

passed check_modified_files #13896841

00:00:12

passed check_tarball #13896843
cvmfs

00:00:37

passed check_unique_file #13896839

00:00:11

passed check_unique_physicsShort #13896840

00:00:13

 
  Setup
passed setup_athena #13896845

00:00:15

 
  Run
passed run_child_pipeline

 
  Cleanup
passed remove_logs #13896847

00:00:15