foundKerberos |= mechs.contains(mech);
                }
                if ((!foundKerberos || this.forceFallback) && this.canFallback && tc.getConfig().isAllowNTLMFallback()) {
                    log.debug("Falling back to NTLM authentication");
                    return super.createContext(tc, targetDomain, host, initialToken, doSigning);
                }

     * @return an OptionalThing containing the Config if the field exists and has a non-blank value,
     *         otherwise an empty OptionalThing
     */
    public OptionalThing<Config> getConfig(final String fieldName) {
        final String value = params.get(fieldName);
        if (StringUtil.isNotBlank(value)) {
            return OptionalThing.of(new Config(value));
        }

        return 0;
    }

    @Override
    public String toString() {
        return ("Trans2FindNext2[" + super.toString() + ",sid=" + this.sid + ",searchCount=" + getConfig().getListSize()
                + ",informationLevel=0x" + Hexdump.toHexString(this.informationLevel, 3) + ",resumeKey=0x"

     */
    @Override
    protected Smb2CloseResponse createResponse(final CIFSContext tc, final ServerMessageBlock2Request<Smb2CloseResponse> req) {
        return new Smb2CloseResponse(tc.getConfig(), this.fileId, this.fileName);
    }

    /**
     * Set the close flags
     *
     * @param flags
     *            the flags to set
     */
    public void setCloseFlags(final int flags) {

        mockConfig = mock(Configuration.class);
        mockCredentials = mock(Credentials.class);
        mockTransportPool = mock(SmbTransportPool.class);

        // Set up mock behaviors
        when(mockContext.getConfig()).thenReturn(mockConfig);
        when(mockContext.getCredentials()).thenReturn(mockCredentials);
        when(mockContext.getTransportPool()).thenReturn(mockTransportPool);
        when(mockConfig.getDfsTtl()).thenReturn(300L);

        lenient().when(mockConfig.getLanManCompatibility()).thenReturn(3); // Default NTLMv2
        lenient().when(mockConfig.getMachineId()).thenReturn(machineId);
        lenient().when(mockCtx.getConfig()).thenReturn(mockConfig);
        lenient().when(mockCtx.getNameServiceClient()).thenReturn(mockNameServiceClient);
        lenient().when(mockNameServiceClient.getLocalHost()).thenReturn(mockHost);

     */
    @Override
    protected Smb2SetInfoResponse createResponse(final CIFSContext tc, final ServerMessageBlock2Request<Smb2SetInfoResponse> req) {
        return new Smb2SetInfoResponse(tc.getConfig());
    }

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

    }

    @Test
    @DisplayName("initResponse prepares a response instance")
    void initResponseCreatesResponse() {
        SmbComNTCreateAndX req = createRequest(0, 0);
        when(mockContext.getConfig()).thenReturn(mockConfig);
        SmbComNTCreateAndXResponse resp = req.initResponse(mockContext);
        assertNotNull(resp, "Response should not be null after init");
        // getResponse should now return the same instance

    private Configuration mockConfig;

    private static byte[] blobCred() {
        return "blobdata".getBytes(StandardCharsets.UTF_8);
    }

    @BeforeEach
    void setup() {
        when(mockContext.getConfig()).thenReturn(mockConfig);
        when(mockNegotiate.getServerData()).thenReturn(new ServerDataStub());
    }

    private void setupNegotiateStubs() {

        // Set system property for handle state directory
        System.setProperty("jcifs.smb.client.handleStateDirectory", tempDir.toString());

        when(mockContext.getConfig()).thenReturn(mockConfig);

        manager = new PersistentHandleManager(mockContext);
    }

    @AfterEach
    public void tearDown() throws IOException {
        if (manager != null) {