def setUp(self):
self.gearbox = GearboxCost()
self.gearbox.gearbox_mass = 30237.60
self.gearbox.year = 2009
self.gearbox.month = 12
self.gearbox.drivetrain_design = 'geared'
def test1(self):
gearbox = GearboxCost()
gearbox.gearbox_mass = 30237.60
gearbox.year = 2009
gearbox.month = 12
gearbox.drivetrain_design = 'geared'
check_gradient_unit_test(self, gearbox)
