Revert "Expose dossier PDF export as IO"

spec/factories/dossier.rb

@@ -201,6 +201,15 @@ FactoryBot.define do
       end
     end
 
+    trait :with_pdf_export do
+      after(:create) do |dossier, _evaluator|
+        dossier.pdf_export_for_instructeur.attach(
+          io: StringIO.new('Hello World'),
+          filename: 'export.pdf'
+        )
+      end
+    end
+
     trait :with_justificatif do
       after(:create) do |dossier, _evaluator|
         dossier.justificatif_motivation.attach(

spec/lib/active_storage/downloadable_file_spec.rb

@@ -1,12 +1,12 @@
 describe ActiveStorage::DownloadableFile do
-  let(:dossier) { create(:dossier, :en_construction) }
+  let(:dossier) { create(:dossier, :en_construction, :with_pdf_export) }
 
   subject(:list) { ActiveStorage::DownloadableFile.create_list_from_dossier(dossier) }
 
   describe 'create_list_from_dossier' do
     context 'when no piece_justificative is present' do
       it { expect(list.length).to eq 1 }
-      it { expect(list.first[0].name).to eq "pdf_export_for_instructeur" }
+      it { expect(list.first[0].record_type).to eq "Dossier" }
     end
 
     context 'when there is a piece_justificative' do

spec/services/pieces_justificatives_service_spec.rb

@@ -49,6 +49,7 @@ describe PiecesJustificativesService do
     subject { PiecesJustificativesService.generate_dossier_export(dossier) }
     it "generates pdf export for instructeur" do
       subject
+      expect(dossier.pdf_export_for_instructeur).to be_attached
     end
 
     it "doesn't update dossier" do