Method open

Bcore/src/main/cpp/Dobby/tests/catch.hpp:11736–11745

  }

  void open() {
    if (!m_isOpen) {
      m_isOpen = true;
      *this << RowBreak();
      for (auto const &info : m_columnInfos)
        *this << info.name << ColumnBreak();
      *this << RowBreak();
      m_os << Catch::getLineOfChars<'-'>() << "\n";
    }
  }
  void close() {
    if (m_isOpen) {
      *this << RowBreak();