public async Task TestOptions()
{
test.Request.ProtocolMethod = HttpProtocolMethod.Options;
await new HttpHeaderSpecialAction().ProgressTask(test.Task).ConfigureAwait(false);
Assert.AreEqual(1, test.GetDataSources().Count);
Assert.IsTrue(test.GetDataSources()[0] is HttpStringDataSource);
var dataSource = (HttpStringDataSource)test.GetDataSources()[0];
Assert.IsNotNull(dataSource.Data);
Assert.IsTrue(dataSource.Data.Length > 0);
}