TMSS-2847: intermediate fix to make test on master pass again

SAS/TMSS/backend/services/scheduling/lib/dynamic_scheduling.py

@@ -341,7 +341,7 @@ class Scheduler:
                     scheduled_units.extend(scheduled_B_units)
                 else:
                     # advance window and search again
-                    lower_bound += timedelta(minutes=15)
+                    lower_bound += timedelta(minutes=60)
 
                     # for nice "visual" feedback to the user, move each "old" schedulable unit to the lower_bound
                     # this also indicates to the user that the unit has been considered for times < lower_bound, and they could not be scheduled there.