assertNotNull(result);
    }

    @Test
    void testPopulateWithComments() throws Exception {
        // Create a temporary lmhosts file with comments
        File lmhostsFile = tempDir.resolve("lmhosts_comments").toFile();
        try (FileWriter writer = new FileWriter(lmhostsFile)) {
            writer.write("# This is a comment\n");
            writer.write("192.168.1.100 HOST1\n");