public void PresetIsApp_A5LandscapeChangedToDevice16x9Landscape()
{
var code = HydrateBookCommand.Handle(new HydrateParameters()
{
Path = _bookFolder.FolderPath,
Preset = "app",
VernacularIsoCode = "en"
});
Assert.AreEqual(0, code, "Should return an exit code of 0, meaning it is happy.");
var html = File.ReadAllText(_eventualHtmlPath);
AssertThatXmlIn.File(_eventualHtmlPath).HasAtLeastOneMatchForXpath("//div[contains(@class,'bloom-page') and contains(@class,'Device16x9Landscape')]");
Assert.That(!html.Contains("A5Landscape"));
}