def test_trailer(self):
txt = []
cv.trailer(5, txt, 1000)
assert not txt
cv.trailer(cv.VIEW_CUTOFF + 10, txt, cv.VIEW_CUTOFF)
assert txt
def test_trailer(self):
txt = []
cv.trailer(5, txt, 1000)
assert not txt
cv.trailer(cv.VIEW_CUTOFF + 10, txt, cv.VIEW_CUTOFF)
assert txt