'Parsing a multi-direction mode setting containing two consecutive mode
sequences with the same direction results in the same result as if
there were only one mode sequence in the same direction.'

def test_consecutiveDirection(self):

    (added, removed) = irc.parseModes('+sn+ti', [])
    self.assertEqual(added, [('s', None), ('n', None), ('t', None), ('i', None)])
    self.assertEqual(removed, [])
