code: def test_get_item():
      response = client.get("/items/portal-gun")
      assert response.status_code == 200, response.text
      assert response.json() == {
          "description": "Gun to create portals",
          "owner": "Rick",
      }
  
imports: from fastapi.testclient import TestClient
  from docs_src.dependencies.tutorial008b_an import app
label_desc: Use image node_id 3 for calling a global function with example usage: test_get_item() without return types