code: def test_get_items():
      response = client.get("/items/")
      assert response.status_code == 200, response.text
      assert response.json() == ["Portal gun", "Plumbus"]
  
imports: from fastapi.testclient import TestClient
  from docs_src.path_operation_configuration.tutorial002b import app
label_desc: Use image node_id 1 for calling a global function with example usage: test_get_items() without return types