def TestStatistic(self, data):
        firsts, others = data
        stat = self.ChiSquared(firsts) + self.ChiSquared(others)
        return stat
Valid simple cmd - run returns equal RunResult instance
dataset/ETHPy150Open AllenDowney/CompStats/hypothesis.py/PregLengthTest.TestStatistic--crossover with--dataset/ETHPy150Open bloomberg/phabricator-tools/py/phl/phlsys_subprocess__t.py/PhlsysSubprocessTests.test_run_valid_simple_cmd