request.setFileId(newFileId);
        // FileId is set internally
        assertNotNull(request);
    }

    @Test
    @DisplayName("Test createResponse method")
    void testCreateResponse() {
        // This constructor doesn't use getTransactionBufferSize()
        setupMockContext();
        Smb2IoctlRequest request = new Smb2IoctlRequest(mockConfig, TEST_CONTROL_CODE, TEST_FILE_ID, TEST_OUTPUT_BUFFER);

        completionFilterField.setAccessible(true);
        assertEquals(filter, completionFilterField.getInt(request));
    }

    @Test
    @DisplayName("Should create correct response")
    void testCreateResponse() {
        // When
        Smb2ChangeNotifyResponse response = request.createResponse(mockContext, request);

        // Then
        assertNotNull(response);

        int command = (int) commandField.get(req);

        assertEquals(SMB2_TREE_DISCONNECT, command);
    }

    @Test
    @DisplayName("Should create proper response object")
    void testCreateResponse() {
        // Given
        Configuration mockConfig = mock(Configuration.class);
        CIFSContext mockContext = mock(CIFSContext.class);
        when(mockContext.getConfig()).thenReturn(mockConfig);

        assertEquals(Smb2Constants.SMB2_NEGOTIATE_SIGNING_ENABLED, request.getSecurityMode());
    }

    @Test
    @DisplayName("Should create correct response")
    void testCreateResponse() {
        // Given
        request = new Smb2NegotiateRequest(mockConfig, 0);

        // When
        Smb2NegotiateResponse response = request.createResponse(mockContext, request);

        // Then

        assertEquals(null, storedFileId);
    }

    @Test
    @DisplayName("createResponse should return Smb2FlushResponse with correct config")
    void testCreateResponse() throws Exception {
        Smb2FlushResponse response = request.createResponse(mockContext, request);

        assertNotNull(response);

        // Verify response has correct config

        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

    @Test
    @DisplayName("Test createResponse method")
    void testCreateResponse() {
        request = new Smb2SetInfoRequest(mockConfig);

        Smb2SetInfoResponse response = request.createResponse(mockContext, request);

        assertNotNull(response);

        }
    }

    @Nested
    @DisplayName("CreateResponse Tests")
    class CreateResponseTests {

        @Test
        @DisplayName("Should create correct response type")
        void testCreateResponse() {
            Smb2EchoResponse response = echoRequest.createResponse(mockContext, echoRequest);

            assertNotNull(response);
            assertInstanceOf(Smb2EchoResponse.class, response);
        }

        }
    }

    @Nested
    @DisplayName("CreateResponse Tests")
    class CreateResponseTests {

        @Test
        @DisplayName("Should create appropriate response")
        void testCreateResponse() {
            Smb2ReadResponse response = request.createResponse(mockContext, request);
            assertNotNull(response);
            assertTrue(response instanceof Smb2ReadResponse);
        }

        assertEquals(((expectedSize + 7) & ~7), request.size());
    }

    @Test
    @DisplayName("Test createResponse method")
    void testCreateResponse() {
        request = new Smb2QueryDirectoryRequest(mockConfig);
        request.setFileInformationClass(Smb2QueryDirectoryRequest.FILE_ID_BOTH_DIRECTORY_INFO);

        tokenField.setAccessible(true);
        assertArrayEquals(token, (byte[]) tokenField.get(req));
    }

    @Test
    @DisplayName("Should create proper response object")
    void testCreateResponse() {
        // When
        Smb2SessionSetupResponse response = request.createResponse(mockContext, request);

        // Then
        assertNotNull(response);