service = new PixelsService();
service = new PixelsService(PixelsService.ROOT_DEFAULT);
    protected void setUp() throws IOException    {        // Create set up the base fixture which sets up the database for us        baseFixture = new PixbufIOFixture();        pixels = baseFixture.setUp();                // "Our" fixture which creates the planes needed for this test case.        service = new PixelsService();        pixbuf = service.createPixelBuffer(pixels);    }