def clientConnectionFailed(self, connector, reason):
        if not self._onConnection.called:
            self._onConnection.errback(reason)
Pre-parse the command line to extract the value of the --testrunner
dataset/ETHPy150Open nlloyd/SubliminalCollaborator/libs/twisted/internet/endpoints.py/_WrappingFactory.clientConnectionFailed--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.4/django/core/management/commands/test.py/Command.run_from_argv