code: def test_1_insert(self):
      storage_1 = get_json_storage(1)
      storage_1["x"] = {"y": 1}
      assert storage_1["x"]["y"] == 1
      assert storage_1["x"]["y"] == storage_1.get("x")["y"]
  
      another_storage_1 = get_json_storage(1)
      assert another_storage_1["x"]["y"] == storage_1["x"]["y"]
  
      storage_2 = get_json_storage(2)
      assert storage_2["x"] is None
  
      another_storage_2 = get_json_storage(2)
      another_storage_2.set("x", {"y": 2})
      assert storage_2["x"]["y"] == 2
  
file_path: mindsdb/tests/unit/test_json_storage.py
imports: import tempfile
  import os
  import unittest
  import json
  from mindsdb.interfaces.storage import db
  from mindsdb.migrations import migrate
  from mindsdb.interfaces.storage.json import get_json_storage
label_desc: Use image node_id 2 for calling the Test obj's underlying member method code with example usage: obj.test_1_insert() without return types