// When - create multiple instances
        Smb2TreeDisconnectRequest req1 = new Smb2TreeDisconnectRequest(mockConfig);
        Smb2TreeDisconnectRequest req2 = new Smb2TreeDisconnectRequest(mockConfig);

        // Then - all should have same command
        int cmd1 = (int) commandField.get(req1);
        int cmd2 = (int) commandField.get(req2);

        assertEquals(cmd1, cmd2);

    assertFalse(registration.isExpired(60000));
    
    // Test sequence numbers
    long seq1 = registration.getNextSequenceNumber();
    long seq2 = registration.getNextSequenceNumber();
    assertEquals(seq1 + 1, seq2);
}

@Test
public void testWitnessNotification() {
    WitnessNotification notification = new WitnessNotification(