vegasnews.com — At the request of several Camping World Series, Super Late Model and Late Model teams, the Bullring at Las Vegas Motor Speedway is offering a testing day on Sunday, Jan. 18, from 9 a.m.-5 p.m. Drivers from areas affected by cold weather now have the opportunity to test in preparation for the NASCAR All-Star Showdown at Irwindale (Calif.) Speedway.