public void TestInit()
{
_imageHelper = new ImageHelper();
_rootPath = Path.GetDirectoryName(Uri.UnescapeDataString(new UriBuilder(Assembly.GetExecutingAssembly().CodeBase).Path));
if (Directory.Exists(_rootPath + @"\TestImages\New")) Directory.Delete(_rootPath + @"\TestImages\New", true);
if (Directory.Exists(_rootPath + @"\TestImages\SaveImage")) Directory.Delete(_rootPath + @"\TestImages\SaveImage", true);
if (Directory.Exists(_rootPath + @"\TestImages\SaveBytes")) Directory.Delete(_rootPath + @"\TestImages\SaveBytes", true);
if (Directory.Exists(_rootPath + @"\TestImages\DirJpg")) Directory.Delete(_rootPath + @"\TestImages\DirJpg", true);
if (Directory.Exists(_rootPath + @"\TestImages\DirGif")) Directory.Delete(_rootPath + @"\TestImages\DirGif", true);
if (Directory.Exists(_rootPath + @"\TestImages\DirVid")) Directory.Delete(_rootPath + @"\TestImages\DirVid", true);
}