code: def test_cb_delete_item():
      s, m = create_summary_and_mock({"this": 3})
      del s["this"]
      m.check_removes(("this",))
  
      m.reset({"this": {"nest1": 2}})
      del s["this"]["nest1"]
      m.check_removes(("this", "nest1"))
  
file_path: wandb/tests/pytest_tests/unit_tests/test_wandb_summary.py
imports: from typing import TYPE_CHECKING, Any, Dict, Tuple
  from wandb import wandb_sdk
label_desc: Use image node_id 8 for calling a global function with example usage: test_cb_delete_item() without return types