Bail out if cloning st2tests fail (e.g. due to inexistent branch or similar).
Bail out if cloning st2tests fail (e.g. due to inexistent branch or
similar).

StackStorm/st2,Plexxi/st2,tonybaloney/st2,StackStorm/st2,StackStorm/st2,Plexxi/st2,Plexxi/st2,nzlosh/st2,tonybaloney/st2,nzlosh/st2,nzlosh/st2,StackStorm/st2,nzlosh/st2,tonybaloney/st2,Plexxi/st2