message: fix tests to enforce antireplay OP_RETURN on first byte only
diff: @@ -59,9 +59,10 @@ BOOST_AUTO_TEST_CASE(buip055_op_return)
  tx.vout[1].nValue = 0;
  BOOST_CHECK(IsTxOpReturnInvalid(tx) == true);
  + // OP_RETURN must be the first instruction for it to could as an invalid tx on the new fork
  tx.vout[1].scriptPubKey = CScript() << OP_DUP << OP_HASH160 << ToByteVector(key.GetPubKey().GetID()) << OP_EQUALVERIFY << OP_RETURN << invalidOpReturn;
  tx.vout[1].nValue = 0;
  - BOOST_CHECK(IsTxOpReturnInvalid(tx) == true);
  + BOOST_CHECK(IsTxOpReturnInvalid(tx) == false);
  tx.vout[1].scriptPubKey = CScript() << OP_DUP << OP_HASH160 << ToByteVector(key.GetPubKey().GetID()) << OP_EQUALVERIFY << invalidOpReturn;
  tx.vout[1].nValue = 0;
  