By Madeline Coleman The committee had requested that he and Roger Goodell testify during a June 22 hearing concerning the investigation into the Commanders. Commanders team owner Dan Snyder will not appear at the U.S. House of Representatives’ Committee on Oversight and Reform’s hearing on June 22, according to TheWashington Post. Via a four-page letter from his attorney, Snyder declined the request, which was made at the beginning of the month. The committee had requested that Snyder and NFL commissioner Roger Goodell testify in front of the committee concerning the investigation into the Com…