assertTrue(children.stream().anyMatch(f -> "file1.txt".equals(f.getName())));
        assertTrue(children.stream().anyMatch(f -> "dir1".equals(f.getName())));
    }

    @Test
    public void testUpdateDirectoryCache() throws IOException {
        String directoryPath = "/test/dir";
        Smb2LeaseKey leaseKey = new Smb2LeaseKey();

        // Create cache entry