extract old_visible_id in factory to trait

spec/factories/organisation.rb

@@ -9,7 +9,10 @@ FactoryBot.define do
     created_at { Time.zone.now }
     updated_at { Time.zone.now }
     holds_own_stock { true }
-    old_visible_id { rand(9_999_999).to_s }
+
+    trait :with_old_visible_id do
+      old_visible_id { rand(9_999_999).to_s }
+    end
   end
 
   factory :organisation_rent_period do

spec/services/bulk_upload/processor_spec.rb

@@ -19,7 +19,7 @@ RSpec.describe BulkUpload::Processor do
       it "persist the validation errors" do
         allow(BulkUpload::Downloader).to receive(:new).with(bulk_upload:).and_return(mock_downloader)
 
-        expect { processor.call }.to change(BulkUploadError, :count).by(10)
+        expect { processor.call }.to change(BulkUploadError, :count).by(8)
       end
 
       it "deletes the local file afterwards" do