message: test: Output result value also in hex
diff: @@ -12,10 +12,12 @@ std::ostream& operator<<(std::ostream& os, ExecutionResult result)
  if (result.trapped)
  return os << "trapped";
  + const auto format_flags = os.flags();
  os << "result(";
  if (result.has_value)
  - os << result.value.i64;
  + os << result.value.i64 << " [0x" << std::hex << result.value.i64 << "]";
  os << ")";
  + os.flags(format_flags);
  return os;
  }
  } // namespace fizzy
  