def test_setIDFunction(self):
        value = object()
        previous = util.setIDFunction(value)
        result = util.setIDFunction(previous)
        self.assertIdentical(value, result)
Add an smtp port listener on the specified endpoint.  You can listen on
dataset/ETHPy150Open nlloyd/SubliminalCollaborator/libs/twisted/python/test/test_util.py/UnsignedIDTests.test_setIDFunction--crossover with--dataset/ETHPy150Open tkanerva/openmail/OpenMail/openmail/mytap.py/Options.opt_smtp