code: def test_no_confidence_thresh():
      all_models = foz.list_zoo_models()
      _apply_models(
          all_models,
          confidence_thresh=None,
          pass_confidence_thresh=True,
      )
  
imports: import random
  import unittest
  import fiftyone
  import fiftyone.zoo
  from fiftyone import ViewField
label_desc: Use image node_id 13 for calling a global function with example usage: test_no_confidence_thresh() without return types