public void TestInit()
{
_fileHelper = new FileHelper();
_rootPath = Path.GetDirectoryName(Uri.UnescapeDataString(new UriBuilder(Assembly.GetExecutingAssembly().CodeBase).Path));
if (Directory.Exists(_rootPath + @"\TestDir")) Directory.Delete(_rootPath + @"\TestDir", true);
if (Directory.Exists(_rootPath + @"\TestFile")) Directory.Delete(_rootPath + @"\TestFile", true);
}