code: def test_add_asset_multi_scene():
      scene1 = Scene()
      scene2 = Scene()
  
      asset = assets.Asset()
      scene1.add(asset)
      scene2.add(asset)
  
      assert asset in scene1.assets
      assert asset in scene2.assets
      assert scene1 in asset.scenes
      assert scene2 in asset.scenes
  
file_path: kubric/test/test_scene.py
imports: from unittest import mock
  from kubric.core.scene import Scene
  from kubric.core.cameras import PerspectiveCamera
  from kubric.core import assets
  from kubric.core import objects
  from kubric.core import materials
  from kubric.core import view
  from kubric.core.color import get_color
label_desc: Use image node_id 6 for calling a global function with example usage: test_add_asset_multi_scene() without return types