def METHOD_NAME(self):
    phase1 = Phase([0, 2, 2, 2], [0, 0.3, 0.3, 0])
    phase2 = Phase([0, 1, 1, 1], [0, 0.1, 0.2, -0.5])
    sum1 = phase1 + phase2
    sum2 = phase2 + phase1
    assert_equal(sum1.int, sum2.int)
    assert_equal(sum1.frac, sum2.frac)