response = client.get("/users/abc123/items/item01")
    assert response.status_code == 200, response.text
    assert response.json() == {"item_id": "item01", "user_id": "abc123"}


def test_openapi_schema():
    response = client.get("/openapi.json")
    assert response.status_code == 200, response.text
    assert response.json() == {
        "openapi": "3.1.0",