'The pairs of values 0 and 128, 1 and 129, 2 and 130, etc, to 127 and 255
are not equal, but in each pair, neither number is defined as being
greater than, or less than, the other.'

def test_undefined(self):

    assertUndefinedComparison(self, serialNumber8(0), serialNumber8(128))
    assertUndefinedComparison(self, serialNumber8(1), serialNumber8(129))
    assertUndefinedComparison(self, serialNumber8(2), serialNumber8(130))
    assertUndefinedComparison(self, serialNumber8(127), serialNumber8(255))
