code: def test_get_users():
      response = client.get("/users/")
      assert response.status_code == 200, response.text
      assert response.json() == ["Rick", "Morty"]
  
imports: from fastapi.testclient import TestClient
  from docs_src.path_operation_configuration.tutorial002b import app
label_desc: Use image node_id 2 for calling a global function with example usage: test_get_users() without return types