Configure Travis CI to build using 'test' Rake task
Configure Travis CI to build using 'test' Rake task

Although the default Rake task will gracefully degrade from loading a
debugger, the 'test' Rake task -- added to support the rubygems-test
RubyGem -- is intended to run heedlessly as Travis CI expects.
lanastasov/htty,Ribeiro/htty,bradparks/htty,paolomainardi/htty,dibenso/htty,shekkbuilder/htty,ilesan-ypg/htty,pepijnve/htty,yous/htty,shaunstanislaus/htty