myapp = make_app(middleware=[Middleware(errorhandler)])
    client = TestClient(myapp)
    with pytest.raises(WebSocketDisconnect) as e:
        with client.websocket_connect("/depends-err/"):
            pass  # pragma: no cover
    assert e.value.code == status.WS_1006_ABNORMAL_CLOSURE
    assert "NotImplementedError" in e.value.reason


def test_depend_err_handler():