assertNull(block.andx, "andx should be cleared when errorCode != 0");
    }

    @Test
    @DisplayName("NT_CREATE_ANDX extended response adjusts wordCount by +8")
    void testNtCreateAndxExtendedAdjustsWordCount() {
        SmbComNTCreateAndXResponse resp = new SmbComNTCreateAndXResponse() {
            @Override
            int readHeaderWireFormat(byte[] buffer, int bufferIndex) {
                return 33;