def test_to_lightkurve(self):
time, counts, counts_err = range(3), np.ones(3), np.zeros(3)
lc = Lightcurve(time, counts, counts_err)
lk = lc.to_lightkurve()
assert_allclose(lk.time, time)
assert_allclose(lk.flux, counts)
assert_allclose(lk.flux_err, counts_err)
