Remove top-level Gemfile
Trash the Rails subproject

Does it help Travis? Travis CI seems confused about language and environment.
Test against Rails app on Heroku

App at http://active-resource-kit-tests.herokuapp.com/.
Do not launch a local Rails server in the background
Some Post titles and Comment texts ARE nil

Do not assert all non-nil.
Trailing slash ignores the folder

Including everything underneath it.
Merge branch 'hotfix/travis-ci' into develop