def testSpeakBadAppend(self):
        self.improperAppend(plivohelper.Speak(""))
Calls 'method' while holding the buffer lock.
dataset/ETHPy150Open plivo/plivohelper-python/tests/test_restxml.py/TestSpeak.testSpeakBadAppend--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/api/logservice/logservice.py/LogsBuffer._lock_and_call