assertTrue(level1.exists(), "Level1 directory should exist");
        assertTrue(level2.exists(), "Level2 directory should exist");
    }

    @Test
    void testDirectoryListing() throws Exception {
        long timestamp = System.currentTimeMillis();
        CIFSContext dirContext = createFreshContext();
        SmbFile dir = new SmbFile(baseUrl + "shared/listdir_" + timestamp + "/", dirContext);