public void ShouldCreateGifThumbnail()
{
var result = _imageHelper.CreateGifThumbnail(_rootPath + @"\TestImages\Gif_Image.gif", _rootPath + @"\TestImages\New\", "tn_");
Assert.IsTrue(result);
Assert.IsTrue(File.Exists(_rootPath + @"\TestImages\New\tn_Gif_Image.jpg"));
Assert.AreEqual(400, Image.FromFile(_rootPath + @"\TestImages\New\tn_Gif_Image.jpg").Width);
Assert.AreEqual(176, Image.FromFile(_rootPath + @"\TestImages\New\tn_Gif_Image.jpg").Height);
}