def METHOD_NAME(session_backend_config_memory: "ServerSideSessionConfig") -> None:
    session_backend_config_memory.exclude = ["north", "south"]
    @get("/north")
    def north_handler(request: Request) -> Dict[str, bool]:
        return get_session_installed(request)
    @get("/south")
    def south_handler(request: Request) -> Dict[str, bool]:
        return get_session_installed(request)
    @get("/west")
    def west_handler(request: Request) -> Dict[str, bool]:
        return get_session_installed(request)
    with create_test_client(
        route_handlers=[north_handler, south_handler, west_handler],
        middleware=[session_backend_config_memory.middleware],
    ) as client:
        response = client.get("/north")
        assert response.json() == {"has_session": False}
        response = client.get("/south")
        assert response.json() == {"has_session": False}
        response = client.get("/west")
        assert response.json() == {"has_session": True}