hello-world: Tweak the failure messages
hello-world: Tweak the failure messages

samilokan/xruby,tommyschaefer/xruby,remcopeereboom/xruby,remcopeereboom/xruby,NobbZ/xruby,gchan/xruby,exercism/xruby,kickinbahk/xruby,darrencauthon/xruby,jdsayle/xruby,darrencauthon/xruby,rashmiagar/exercism,Calvyn82/xruby,Calvyn82/xruby,Insti/exercism-ruby,NeimadTL/ruby,wobh/xruby,mamenama/xruby,NobbZ/xruby,Insti/exercism-ruby,samilokan/xruby,Insti/xruby,Calvyn82/word_count,wobh/xruby,alexbrinkman/xruby,kickinbahk/xruby,NeimadTL/ruby,rashmiagar/exercism,Insti/xruby,tommyschaefer/xruby,gchan/xruby,kotp/xruby,NeimadTL/ruby,Insti/exercism-ruby,mamenama/xruby,alexbrinkman/xruby,jdsayle/xruby,kotp/xruby,exercism/xruby,Calvyn82/word_count