cacheEntry.map = trustedDomains;
        dfs._domains = cacheEntry;

        assertEquals(trustedDomains, dfs.getTrustedDomains(auth));
    }

    @Test
    void testGetTrustedDomains_ExpiredCache() throws IOException, SmbAuthException {
        // Set up an expired cache entry
        Dfs.CacheEntry expiredEntry = new Dfs.CacheEntry(-1); // Expired
        testDfs._domains = expiredEntry;