code: def test_merge_configs_update_two():
      """Ensure update on first level is fine"""
      a = {"a": 1, "b": 2}
      b = {"a": 3}
  
      m = resolve_config.merge_configs(a, b)
  
      assert m == {"a": 3, "b": 2}
  
imports: import hashlib
  import logging
  import os
  import shutil
  import git
  import pytest
  import orion.core
  import orion.core.io.resolve_config
label_desc: Use image node_id 20 for calling a global function with example usage: test_merge_configs_update_two() without return types