def METHOD_NAME(spike_test_pair):
    data = spike_test_pair
    t = data[:, 0]
    v = data[:, 1]
    i = np.zeros_like(v)
    ext = SpikeFeatureExtractor()
    spikes = ext.process(t, v, i)
    sx = SpikeTrainFeatureExtractor(start=0, end=t[-1])
    sx.process(t, v, i, spikes)