public async Task TestSaveFile()
{
var fileStoreHelper = new FileStoreHelper();
var rssReader = new RssReader();
var result = await rssReader.DownloadRssString();
var isSuccess = await fileStoreHelper.SaveRssFileAsync(result);
Assert.IsTrue(isSuccess);
}
public async Task TestReadFile()
{
var fileStoreHelper = new FileStoreHelper();
var rssReader = new RssReader();
var result = await rssReader.DownloadRssString();
await fileStoreHelper.SaveRssFileAsync(result);
var content = await fileStoreHelper.ReadRssFileAsync();
Assert.AreEqual <string>(result, content);
}