code: def test_extract_keys(mapping, keys):
      assert tracker_module.extract_keys(mapping) == keys
  
imports: import json
  from uuid import uuid4
  import time
  import pytest
  from sklearn_evaluation.tracker import SQLiteTracker
  from sklearn_evaluation import tracker
  from sklearn_evaluation import plot
label_desc: Use image node_id 13 for calling a global function with example usage: test_extract_keys(mapping, keys) without return types