factory bot error

_factory.rb

FactoryBot.define do
  factory :ownership do
    transient do
      transient_debug_test_name nil
    end
    user 
    association :good,factory: :good_produit
    pricing
    association :period ,datepublication: evaluator.transient_debug_test_name
    shop Shop.all.first
  end

error

NoMethodError: undefined method `transient_debug_test_name' for #<FactoryBot::Declaration::Implicit:0x0055fca3f181c8>
  /home/sylvain/dev/placedemarche/spec/factories/ownership_factories.rb:9:in `block (2 levels) in <top (required)>'
  /home/sylvain/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/factory_bot-4.8.2/lib/factory_bot/syntax/default.rb:18:in `instance_eval'
  /home/sylvain/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/factory_bot-4.8.2/lib/factory_bot/syntax/default.rb:18:in `factory'
  /home/sylvain/dev/placedemarche/spec/factories/ownership_factories.rb:2:in `block in <top (required)>'
  /home/sylvain/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/factory_bot-4.8.2/lib/factory_bot/syntax/default.rb:49:in `instance_eval'
  /home/sylvain/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/factory_bot-4.8.2/lib/factory_bot/syntax/default.rb:49:in `run'
  /home/sylvain/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/factory_bot-4.8.2/lib/factory_bot/syntax/default.rb:7:in `define'
  /home/sylvain/dev/placedemarche/spec/factories/ownership_factories.rb:1:in `<top (required)>'