try to run dockerized test suite on circle ci

Author: jonasjabari

.circleci/config.yml

@@ -14,5 +14,6 @@ jobs:
               curl
             curl -L https://github.com/docker/compose/releases/download/1.19.0/docker-compose-`uname -s`-`uname -m` > /usr/local/bin/docker-compose
             chmod +x /usr/local/bin/docker-compose
+            ln -s /usr/local/bin/docker-compose /usr/bin/docker-compose
             docker-compose run --rm test bundle exec rake db:schema:load
             docker-compose run --rm test bundle exec rspec spec/usage