def headerLengthTest1():
    header = defaultTestData(header=True)
    header["length"] = headerSize + 3
    return packTestHeader(header) + ("\0" * 3)
Check if the thread is alive.
dataset/ETHPy150Open typesupply/woffTools/Lib/woffTools/test/test_validate.py/headerLengthTest1--crossover with--dataset/ETHPy150Open kuri65536/python-for-android/python3-alpha/python-libs/pyxmpp2/mainloop/threads.py/TimeoutThread.is_alive