code: def assert_group_with_default_lookup(group, group_size=3):
      assert group["hits"]
      assert len(group["hits"]) == group_size
  
      assert group["lookup"]
      assert group["id"] == group["lookup"]["id"]
  
      lookup = group["lookup"]
      assert lookup["payload"]
      assert not lookup["vector"]
  
imports: import json
  import pytest
  from .helpers.collection_setup import basic_collection_setup, drop_collection
  from .helpers.helpers import request_with_validation
label_desc: Use image node_id 15 for calling a global function with example usage: assert_group_with_default_lookup(group, group_size) without return types