The alleged fact Brock Lesnar failed his drug test prior to his recent MMA bout doesn’t mean a thing when it comes to his involvement with WWE.There was quite a buzz when it was announced the former UFC champion failed two drug tests he had taken just prior to his MMA fight three weeks ago against Mark Hunt – a fight Lesnar won by unanimous decision. Now there are cries that Lesnar be banned from UFC and he surrender part of the purse from the event.Lesnar has chosen to do a one-time return to the octagon to take on Hunt prior to his scheduled match against Randy Orton at SummerSlam on Aug. 21. Lesnar is a former UFC champion, headlining five prior UFC pay-per-view events before he stepped away from the sport in 2011 due to health issues.