'L{isIPAddress} should return C{False} for a string containing
positive decimal values greater than 255.'

def test_invalidPositive(self):

    self.assertFalse(isIPAddress('256.0.0.0'))
    self.assertFalse(isIPAddress('0.256.0.0'))
    self.assertFalse(isIPAddress('0.0.256.0'))
    self.assertFalse(isIPAddress('0.0.0.256'))
    self.assertFalse(isIPAddress('256.256.256.256'))
