Refactor application_controller_spec.rb (#900)
Refactor application_controller_spec.rb (#900)

* Refactor creation of new user in spec

* Move sign in to before block

* Make 'generate_comment' describe block consistent with the rest of the spec file

* Use shorter variable names

cartothemax/ifme,julianguyen/ifme,julianguyen/ifme,julianguyen/ifme,julianguyen/ifme,cartothemax/ifme,cartothemax/ifme,cartothemax/ifme