message: [Tests] Fix CheckBlockHeader version after block 300 for regtest
diff: @@ -4347,7 +4347,7 @@ bool CheckBlockHeader(const CBlockHeader& block, CValidationState& state, bool f
  return state.DoS(50, error("CheckBlockHeader() : block version must be above 4 after ZerocoinStartHeight"),
  REJECT_INVALID, "block-version");
  } else {
  - if (block.nVersion >= Params().Zerocoin_HeaderVersion())
  + if (block.nVersion >= Params().Zerocoin_HeaderVersion() && Params().NetworkID() != CBaseChainParams::REGTEST)
  return state.DoS(50, error("CheckBlockHeader() : block version must be below 4 before ZerocoinStartHeight"),
  REJECT_INVALID, "block-version");
  }
  