}

    @Test
    public void test_sanitizeFilename_removesDoubleDots() {
        assertEquals("", AdminLogAction.sanitizeFilename(".."));
        assertEquals("/etc/passwd", AdminLogAction.sanitizeFilename("../etc/passwd"));
        assertEquals("/etc/passwd", AdminLogAction.sanitizeFilename("../../etc/passwd"));
        assertEquals("test.log", AdminLogAction.sanitizeFilename("..test.log"));