def Flush(self):
    pass
test tempfile._TempFilename(prefix=).
dataset/ETHPy150Open google/grr/grr/lib/aff4_objects/timeline.py/AFF4Event.Flush--crossover with--dataset/ETHPy150Open jmcgeheeiv/pyfakefs/fake_tempfile_test.py/FakeTempfileModuleTest.testTempFilenamePrefix