Add phony target for test
Add phony target for test

Insti/exercism-ruby,Insti/xruby,tommyschaefer/xruby,NeimadTL/ruby,Insti/xruby,exercism/xruby,Insti/exercism-ruby,tommyschaefer/xruby,exercism/xruby,Insti/exercism-ruby,NeimadTL/ruby,NeimadTL/ruby