def assertRequestTransmissionFailed(self, deferred, reasonTypes):
    return assertWrapperExceptionTypes(self, deferred, RequestTransmissionFailed, reasonTypes)
A simple helper to invoke L{assertWrapperExceptionTypes} with a C{mainType}
dataset/ETHPy150Open twisted/twisted/twisted/web/test/test_newclient.py/assertRequestTransmissionFailed