def addSkip(self, test, reason):
        self.skips.append((test, reason))
Takes a serieslist and maps a callback to subgroups within as defined by a
dataset/ETHPy150Open twisted/twisted/twisted/trial/reporter.py/TestResult.addSkip--crossover with--dataset/ETHPy150Open brutasse/graphite-api/graphite_api/functions.py/groupByNode