changed time_rand method, fixes one reservation generation validation fail
changed time_rand method, fixes one reservation generation validation fail

Amalanag/reservations,YaleOutdoors/reservations,YaleSTC/reservations,YaleSTC/reservations,Amalanag/reservations,Amalanag/reservations,YaleOutdoors/reservations,YaleOutdoors/reservations,YaleSTC/reservations