def test1(self):

        hss = HighSpeedSideCost()

        hss.high_speed_side_mass = 1492.45
        hss.year = 2009
        hss.month = 12

        check_gradient_unit_test(self, hss)
    def test1(self):

        hss = HighSpeedSideCost()

        hss.high_speed_side_mass = 1492.45
        hss.year = 2009
        hss.month = 12

        check_gradient_unit_test(self, hss)