Method ensureTagClosed

tests/catch.hpp:12737–12742

    }

    void XmlWriter::ensureTagClosed() {
        if( m_tagIsOpen ) {
            m_os << ">" << std::endl;
            m_tagIsOpen = false;
        }
    }

    void XmlWriter::writeDeclaration() {
        m_os << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";