private void RunHelperForBookStartingWithSpread(string xmatterPackName)
{
_dom = new HtmlDom(@"<html><body>
<div class='bloom-page' data-page='required spread-start'>
<span data-collection='nameOfLanguage' lang='N2' class=''>{Regional}</span>
</div>
</body></html>");
var helper = CreatePaperSaverHelper(xmatterPackName);
helper.InjectXMatter(_dataSet.WritingSystemAliases, Layout.A5Portrait);
}