Revedko/test_task — comment on commit f8f75fbb8aca117c7b894a1b5c47b3fe112febcd
File: app/controllers/comments_controller.rb line 8
By AlexanderPavlenko:

:user_id=>["can't be blank"]}, so it doens't getting saved in db
use create! method (with bang) and you'll see