FactoryBot.define do factory :channel_twilio_sms, class: 'Channel::TwilioSms' do auth_token { SecureRandom.uuid } account_sid { SecureRandom.uuid } sequence(:phone_number) { |n| "+123456789#{n}1" } medium { :sms } account after(:build) do |channel| channel.inbox ||= create(:inbox, account: channel.account) end end end