code: def test_1(util):
      images = []
      durations = []
  
      for i in range(5):
          durations.append(i)
          images.append("media/python_logo.png")
          durations.append(i)
          images.append("media/python_logo_upside_down.png")
  
      with ImageSequenceClip(images, durations=durations) as clip:
          assert clip.duration == sum(durations)
          clip.write_videofile(
              os.path.join(util.TMP_DIR, "ImageSequenceClip1.mp4"),
              fps=30,
              logger=None,
          )
  
imports: import os
  import pytest
  from moviepy.video.io.ImageSequenceClip import ImageSequenceClip
label_desc: Use image node_id 1 for calling a global function with example usage: test_1(util) without return types