Small correction with PIT (was correct, but now it is slightly better)

Another correction of scheduler test
diff --git a/test/test_scheduler.cc b/test/test_scheduler.cc
index faf085b..62ed601 100644
--- a/test/test_scheduler.cc
+++ b/test/test_scheduler.cc
@@ -145,6 +145,7 @@
 {  
   SyncLogic *logic = 0;
   BOOST_CHECK_NO_THROW (logic = new SyncLogic ("/prefix", funcUpdate, funcRemove));
+  this_thread::sleep (posix_time::milliseconds (100));
 
   Scheduler &scheduler = logic->getScheduler ();
   BOOST_CHECK_EQUAL (scheduler.getEventsSize (), 1);