def add(self, n):
        self.accumulator += n
Test if the parameters of a method are set correctly.
dataset/ETHPy150Open flaviogrossi/sockjs-cyclone/sockjs/cyclone/stats.py/MovingAverage.add--crossover with--dataset/ETHPy150Open T-002/pycast/pycast/tests/methodtest.py/BaseMethodTest.parameter_set_test