void testConstructor() {
        // Given & When
        Smb2FlushResponse flushResponse = new Smb2FlushResponse(mockConfig);

        // Then
        assertNotNull(flushResponse);
        // Cannot test getConfig() as it's protected
    }

    @Nested
    @DisplayName("writeBytesWireFormat tests")
    class WriteBytesWireFormatTests {

        @Test
        @DisplayName("Should return 0 for write bytes")

    void setUp() throws Exception {
        mockService = new MockWitnessService();
        mockService.start();

        // Setup mock configuration with lenient stubbing
        lenient().when(mockContext.getConfig()).thenReturn(mockConfig);
        lenient().when(mockConfig.isUseWitness()).thenReturn(true);
        lenient().when(mockConfig.getWitnessHeartbeatTimeout()).thenReturn(120000L);

    private byte[] testFileId;
    private Smb2Lock[] testLocks;
    private Smb2LockRequest request;

    @BeforeEach
    void setUp() {
        MockitoAnnotations.openMocks(this);
        when(mockContext.getConfig()).thenReturn(mockConfig);

        testFileId = new byte[16];
        new SecureRandom().nextBytes(testFileId);

        testLocks = new Smb2Lock[] { new Smb2Lock(0L, 100L, Smb2Lock.SMB2_LOCKFLAG_EXCLUSIVE_LOCK) };

		</postConstruct>
		<postConstruct name="addIndexConfig">
			<arg>"fess_config.web_authentication/web_authentication"</arg>
		</postConstruct>
		<postConstruct name="addIndexConfig">
			<arg>"fess_config.web_config/web_config"</arg>
		</postConstruct>
		<!-- fess_user index -->
		<postConstruct name="addIndexConfig">
			<arg>"fess_user.user/user"</arg>
		</postConstruct>
		<postConstruct name="addIndexConfig">

            } else {
                // Create new handle info if not found
                HandleInfo newInfo =
                        new HandleInfo(path, guid, fileId, HandleType.PERSISTENT, context.getConfig().getPersistentHandleTimeout(), null);
                handles.put(path, newInfo);
                guidToHandle.put(guid, newInfo);
                persistHandle(newInfo);

        // Common happy-path defaults
        // Use lenient() to avoid strict stubbing issues with Mockito
        lenient().when(tree.acquire()).thenReturn(tree);
        lenient().when(tree.getConfig()).thenReturn(config);
        lenient().when(config.getListCount()).thenReturn(10);
        lenient().when(config.getListSize()).thenReturn(4096);

        lenient().when(parent.getLocator()).thenReturn(locator);

            CIFSContext ctx = mock(CIFSContext.class);
            Configuration cfg = mock(Configuration.class);
            when(cfg.isIgnoreCopyToException()).thenReturn(ignore);
            when(ctx.getConfig()).thenReturn(cfg);
            return ctx;
        }

        @Test
        @DisplayName("copyFile wraps and throws when ignoreCopyToException=false")

     */
    @Override
    public SmbComNTCreateAndXResponse initResponse(final CIFSContext tc) {
        final SmbComNTCreateAndXResponse resp = new SmbComNTCreateAndXResponse(tc.getConfig());
        setResponse(resp);
        return resp;
    }

    /**
     * Adds flags to the flags0 field.
     *
     * @param fl
     *            the flags0 to set
     */

     */
    @Override
    protected Smb2NegotiateResponse createResponse(final CIFSContext tc, final ServerMessageBlock2Request<Smb2NegotiateResponse> req) {
        return new Smb2NegotiateResponse(tc.getConfig());
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.CommonServerMessageBlockRequest#size()
     */
    @Override
    public int size() {

    private Address address;

    @Mock
    private Smb2NegotiateResponse negotiateResponse;

    private SmbTransportImpl transport;

    @BeforeEach
    void setUp() throws Exception {
        when(context.getConfig()).thenReturn(config);
        when(config.isSigningEnforced()).thenReturn(false);
        when(config.getSessionTimeout()).thenReturn(30_000);
        when(config.getResponseTimeout()).thenReturn(5_000);