Christophe Berra scored late winner for Scotland in friendly on Wednesday . Northern Ireland goalkeeper Gordon Strachan 's had kept home side at bay . Michael McGovern side face Gibraltar in Euro 2016 qualifier on Sunday .
Christophe Berra scored late winner for Scotland in friendly on Wednesday . Northern Ireland goalkeeper Michael McGovern had kept home side at bay . Gordon Strachan 's side face Gibraltar in Euro 2016 qualifier on Sunday .