Issue #154: made bin/journey-test.sh iterate over exercises instead of problems.
Issue #154: made bin/journey-test.sh iterate over exercises instead of problems.

jtigger/xjava,jtigger/xjava,FridaTveit/xjava,FridaTveit/xjava,jmluy/xjava,exercism/xjava,jmluy/xjava,exercism/xjava