The Toronto Wolfpack face the stiffest test of their short rugby league history Sunday when they visit the Salford Red Devils in the fifth round of the Ladbrokes Challenge Cup.Salford stands third in the elite Super League, two divisions and 22 places above the fledgling Wolfpack, rugby league’s first transatlantic team.“It’s a huge ask,” said Toronto director of rugby Brian Noble, a former Salford coach. “They’re playing very very well. I’ve watched them a few times but I’m confident. I think it’ll be a true barometer or measurement of where we’re at. The players are really excited by it.Read more: Toronto Wolfpack hangs 82 points on Doncaster“We’re going to need the bounce of the ball and all of those things that go with sudden-death football.”Article Continued BelowPrior to a 38-6 loss Monday to Catalan Dragons after a short three-day turnaround, Salford (7-4-0) had won five straight.“They’re arguably the form team of Super League,” said Toronto assistant coach Simon Finnigan, who played some 50 games for Salford.The Catalan game featured the Salford debut of Australian star Todd Carney, the 2010 international player of the year whose NRL career was derailed by series of alcohol-related incidents.