FactoryBot.define do
  factory :custom_field_join do
    custom_field_master_id 1
    supporter_id 4
    created_at DateTime.now
    updated_at DateTime.now
    value 'value'

    trait :value_from_id do
      after(:create) do |cfj|
        cfj.value = "Value#{cfj.id}"
      end
    end

  end
end