public void SetBookSetting_NoDataDivYet_SettingAdded()
{
var bookDom = new HtmlDom(@"<html ><head></head><body>
</body></html>");
bookDom.SetBookSetting("foo", "xyz", "hello");
AssertThatXmlIn.Dom(bookDom.RawDom).HasSpecifiedNumberOfMatchesForXpath("//body/div[@id='bloomDataDiv']/div[@data-book='foo' and @lang='xyz' and text()='hello']", 1);
}