ABU DHABI – Michal Oleksiejczuk is happy to test his standup against Shara Magomedov's. Oleksiejczuk (19-8 MMA, 17-6 UFC) takes on Magomedov (13-0 MMA, 2-0 UFC) in Saturday's UFC on ABC 7 (ABC, ESPN2, ESPN+) co-main event at Etihad Arena in Yas Island, Abu…