Force tests to run in RAILS_ENV=test
Force tests to run in RAILS_ENV=test

Humorously, all this time the build was running in development in spite
of #121.

This works around #147 now that sprockets is updated and will fail
henrik/jasmine-rails,ennova/jasmine-rails,sharethrough/jasmine-rails,searls/jasmine-rails,rcode5/jasmine-rails,alphagov/jasmine-rails,spadin/jasmine-rails,carwow/jasmine-rails,danieltdt/jasmine-rails,PericlesTheo/jasmine-rails,danieltdt/jasmine-rails,rcode5/jasmine-rails,spadin/jasmine-rails,sharethrough/jasmine-rails,mallikarjunayaddala/jasmine-rails,PericlesTheo/jasmine-rails,spadin/jasmine-rails,danieltdt/jasmine-rails,sharethrough/jasmine-rails,searls/jasmine-rails,carwow/jasmine-rails,searls/jasmine-rails,mallikarjunayaddala/jasmine-rails,ennova/jasmine-rails,rcode5/jasmine-rails,rcode5/jasmine-rails,ennova/jasmine-rails,alphagov/jasmine-rails,carwow/jasmine-rails,henrik/jasmine-rails,spadin/jasmine-rails,carwow/jasmine-rails,alphagov/jasmine-rails,danieltdt/jasmine-rails,henrik/jasmine-rails,sharethrough/jasmine-rails,mallikarjunayaddala/jasmine-rails,mallikarjunayaddala/jasmine-rails,ennova/jasmine-rails,PericlesTheo/jasmine-rails,PericlesTheo/jasmine-rails,henrik/jasmine-rails