modiefied the gemfile so you can install rspec. ou can get it by running 'bundle install'
Merge branch 'dev' into feature#47
Merge remote-tracking branch 'origin/feature#47' into feature#47
Merge remote-tracking branch 'origin/feature#47' into feature#47
added filestructure for tests as well as a 'assertTrue' check if it works. Additionally added tests for the details view of rooms