System.arraycopy(buffer, offset + 8, copiedFileId, 0, 16);
        assertArrayEquals(testFileId, copiedFileId);
    }

    @Test
    @DisplayName("Test with various file ID patterns")
    void testWithVariousFileIdPatterns() {
        // Test with all zeros
        byte[] zeroFileId = new byte[16];
        Smb2FlushRequest zeroRequest = new Smb2FlushRequest(mockConfig, zeroFileId);

        System.arraycopy(buffer, offset + 8, copiedFileId, 0, 16);
        assertArrayEquals(testFileId, copiedFileId);
    }

    @Test
    @DisplayName("Test with various file ID patterns")
    void testWithVariousFileIdPatterns() {
        // Test with all zeros
        byte[] zeroFileId = new byte[16];
        Smb2CloseRequest zeroRequest = new Smb2CloseRequest(mockConfig, zeroFileId, testFileName);