def METHOD_NAME(tmp_path, video_clip):
    x1, x2, y1, y2 = 0, 50, 0, 100
    video_clip.set_bbox(x1, x2, y1, y2)
    file = video_clip.crop(dest_folder=str(tmp_path))
    vid = VideoWriter(file)
    assert vid.dimensions == (x2 - x1, y2 - y1)