Professor Github for this Project: https://github.com/udemyrailscourse/bdd_course_rails5/blob/master/Guardfile run command: guard --> when doing development and you will be able to watch everything you are doing - see if changes break anything line 73 - 90 (watch lines) tell you what files are being 'guarded'
rspec spec/features/creating_article_spec.rb --> command to run tests in specific file