I think the current convention is only to declare development dependencies for a Ruby gem in the Gemfile (but research). There is an issue with some of these dependencies and the Ruby versions no longer being compatible. Investigate the Travis failures and update accordingly.
I think the current convention is only to declare development dependencies for a Ruby gem in the Gemfile (but research). There is an issue with some of these dependencies and the Ruby versions no longer being compatible. Investigate the Travis failures and update accordingly.