code: def test_insert():
      tracker = SQLiteTracker(":memory:")
      tracker.insert("some_uuid", {"a": 1})
  
      res = tracker.query(
          'SELECT * FROM experiments WHERE uuid = "some_uuid"'
      )
  
      assert len(res) == 1
  
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 1 for calling a global function with example usage: test_insert() without return types