Print all available test group names:
Print all available test group names:

* TestRegistry.listGroupNames simplified - one strong assertion
  instead of three week

Mindtribe/cpputest,Mindtribe/cpputest,Andne/cpputest,devMichaelJones/cpputest,arstrube/cpputest,PaulBussmann/cpputest,Andne/cpputest,chenlianbing/cpputest,cpputest/cpputest,maxilai/cpputest,KisImre/cpputest,chenlianbing/cpputest,asgeroverby/cpputest,bithium/cpputest,maxilai/cpputest,maxilai/cpputest,Mindtribe/cpputest,cpputest/cpputest,jaeguly/cpputest,KisImre/cpputest,arstrube/cpputest,asgeroverby/cpputest,chenlianbing/cpputest,offa/cpputest,cpputest/cpputest,asgeroverby/cpputest,bithium/cpputest,Andne/cpputest,devMichaelJones/cpputest,KisImre/cpputest,jaeguly/cpputest,PaulBussmann/cpputest,offa/cpputest,PaulBussmann/cpputest,offa/cpputest,basvodde/cpputest,basvodde/cpputest,bithium/cpputest,Andne/cpputest,devMichaelJones/cpputest,basvodde/cpputest,bithium/cpputest,basvodde/cpputest,arstrube/cpputest,asgeroverby/cpputest,devMichaelJones/cpputest,jaeguly/cpputest,Mindtribe/cpputest,offa/cpputest,cpputest/cpputest,KisImre/cpputest,chenlianbing/cpputest,maxilai/cpputest,arstrube/cpputest,jaeguly/cpputest,PaulBussmann/cpputest