zammad/spec/factories/knowledge_base/answer.rb

FactoryBot.define do
  factory 'knowledge_base/answer', aliases: %i[knowledge_base_answer] do
    transient do
      add_translation { true }
    end

    category { create(:knowledge_base_category) }

    before(:create) do |answer|
      next if answer.translations.present?

      answer.translations << build('knowledge_base/answer/translation', answer: answer)
    end
  end
end