Check http://testmycode.github.io for contribution guidelines!
It may take some time to run whole test suite, thus while developing one may find beneficial to run just single test cases or tests from one file.
bundle exec rubocop
rvmsudo rake spec
rvmsudo rake spec SPEC=spec/integration/student_usecases_spec.rb
rvmsudo rake spec SPEC=spec/integration/student_usecases_spec.rb:175
rvmsudo rake spec SPEC=spec/controllers/exercise_status_controller.rb SPEC_OPTS="--fail-fast"