public void UpdateVariablesAndDataDivThroughDOM_DataBookAttributes_AttributesAddedToDiv()
{
var dom = new HtmlDom(@"<html><head></head><body>
<div id='bloomDataDiv'>
<div data-book-attributes='frontCover' data-backgroundaudio='audio/SoundTrack1.mp3' data-backgroundaudiovolume='0.17'></div>
</div>
<div id='firstPage' class='bloom-page' data-book-attributes='frontCover'>1st page</div>
</body></html>");
var data = new BookData(dom, _collectionSettings, null);
data.UpdateVariablesAndDataDivThroughDOM();
AssertThatXmlIn.Dom(dom.RawDom)
.HasSpecifiedNumberOfMatchesForXpath("//div[@id='firstPage' and @data-book-attributes='frontCover' and @data-backgroundaudio='audio/SoundTrack1.mp3' and @data-backgroundaudiovolume='0.17']", 1);
}