'The I{-om} option for copying the sender if they appear in an alias
expansion is unsupported and if it is passed to L{parseOptions},
L{SystemExit} is raised.'

def test_copyAliasedSender(self):

    exc = self.assertRaises(SystemExit, parseOptions, ['-om'])
    self.assertEqual(exc.args, ('Unsupported    option.',))
