message: Fix sigma state test
diff: @@ -706,6 +706,7 @@ BOOST_AUTO_TEST_CASE(zerocoingetspendserialnumberv3_valid_tx_valid_vin)
  sigma::CoinSpendV3 coinSpend(params,coins[0],pubCoins);
  CDataStream serializedCoinSpend(SER_NETWORK, PROTOCOL_VERSION);
  + serializedCoinSpend << coinSpend;
  // create tx and vin
  @@ -759,14 +760,16 @@ BOOST_AUTO_TEST_CASE(zerocoingetspendserialnumberv3_valid_tx_valid_vin)
  // not allow unspend vin
  // add unspend vin
  CTxIn newTxVin3;
  + newTxVin3.scriptSig = CScript();
  + newTxVin3.prevout.SetNull();
  +
  + CScript tmp3 = CScript() << OP_RETURN;
  + newTxVin3.scriptSig.assign(tmp3.begin(), tmp3.end());
  +
  newtx.vin.push_back(newTxVin3);
  CTransaction ctx3(newtx);
  - BOOST_CHECK_MESSAGE(ZerocoinGetSpendSerialNumberV3(ctx3,newTxIn) == Scalar(uint64_t(0)),
  - "Expect 0 got serial");
  - BOOST_CHECK_MESSAGE(ZerocoinGetSpendSerialNumberV3(ctx3,newTxIn2) == Scalar(uint64_t(0)),
  - "Expect 0 got serial");
  BOOST_CHECK_MESSAGE(ZerocoinGetSpendSerialNumberV3(ctx3, newTxVin3) == Scalar(uint64_t(0)),
  "Expect 0 got serial");
  }
  @@ -913,7 +916,7 @@ BOOST_AUTO_TEST_CASE(sigma_build_state_no_sigma)
  indexs[i] = index;
  }
  - BOOST_CHECK_THROW(ZerocoinBuildStateFromIndexV3(&chainActive), std::string);
  + ZerocoinBuildStateFromIndexV3(&chainActive);
  // check group
  CZerocoinStateV3::CoinGroupInfoV3 group;
  