public async Task FollowLinkToUseFtpRequesterUsingAllRequesters()
{
var config = Configuration.Default.WithRequesters();
var context = BrowsingContext.New(config);
var document = await context.OpenAsync(res => res.Content("<a href='ftp://ftp.funet.fi/pub/standards/RFC/rfc959.txt'>Download</a>"));
var result = await document.QuerySelector<IHtmlAnchorElement>("a").NavigateAsync();
var content = result.Body.TextContent;
Assert.AreEqual(147316, content.Length);
}