def test_freq_divisor():
    assert (device.freq_divisor == 16)
    for divisor in (16, 32, 64, 128):
        device.freq_divisor = divisor
        assert (device.freq_divisor == divisor)
def test_freq_divisor():
    assert (device.freq_divisor == 16)
    for divisor in (16, 32, 64, 128):
        device.freq_divisor = divisor
        assert (device.freq_divisor == divisor)