Add another retry policy related test which verifies that multiple retries (more than one) also work correctly.
Add another retry policy related test which verifies that multiple
retries (more than one) also work correctly.

nzlosh/st2,nzlosh/st2,Plexxi/st2,Plexxi/st2,nzlosh/st2,tonybaloney/st2,tonybaloney/st2,Plexxi/st2,Plexxi/st2,tonybaloney/st2,StackStorm/st2,peak6/st2,StackStorm/st2,nzlosh/st2,peak6/st2,peak6/st2,StackStorm/st2,StackStorm/st2