FactoryBot.define do factory :tag, class: 'ActsAsTaggableOn::Tag' do sequence(:name) { |n| "Tag #{n} name" } trait :category do kind "category" end end factory :topic do sequence(:title) { |n| "Topic title #{n}" } sequence(:description) { |n| "Description as comment #{n}" } association :author, factory: :user end factory :related_content do end end