def __clear_internal(self, project_id, _type):
        if project_id in self.project_data and _type in self.project_data[project_id]:
            del self.project_data[project_id][_type]
wasSuccessful() becomes False after failures have been reported.
dataset/ETHPy150Open kra3/py-ga-mob/pyga/requests.py/X10.__clear_internal--crossover with--dataset/ETHPy150Open twisted/twisted/twisted/trial/test/test_reporter.py/ReporterInterfaceTests.test_wasSuccessfulFalseAfterFailures