public static void init() {
        init(null);
    }
@Test
    @Order(1)
    public void testInit() throws IOException {
        File rootSessionFile = new File(pathname);
        if (rootSessionFile.exists()) {
            rootSessionFile.delete();
        }
        SessionHolder.init(SessionMode.FILE);
        try {
            final File actual = new File(pathname);
            Assertions.assertTrue(actual.exists());
            Assertions.assertTrue(actual.isFile());
        } finally {
            SessionHolder.destroy();
        }
    }