code: def test_instance_segmentation_models():
      models = _get_models_with_tag("instances")
      _apply_models(models)
  
imports: import random
  import unittest
  import fiftyone
  import fiftyone.zoo
  from fiftyone import ViewField
label_desc: Use image node_id 4 for calling a global function with example usage: test_instance_segmentation_models() without return types