public void AddPoster()
{
_tag.AddPoster("/url/to/image.png");
Assert.AreEqual(_tag.ToString(), "<video poster=\"/url/to/image.png\"></video>");
}
public void AddPoster()
{
_tag.AddPoster("/url/to/image.png");
Assert.AreEqual(_tag.ToString(), "<video poster=\"/url/to/image.png\"></video>");
}