chore(create_procedure_presentation): homogénéise l'interface sur les procédure présentation. pas d'objet 'build', sinon les export/filtres deviennent compliqués

spec/models/assign_to_spec.rb

@@ -8,7 +8,7 @@ describe AssignTo, type: :model do
     let(:errors) { procedure_presentation_and_errors.second }
 
     context "without a procedure_presentation" do
-      it { expect(procedure_presentation_or_default).not_to be_persisted }
+      it { expect(procedure_presentation_or_default).to be_persisted }
       it { expect(procedure_presentation_or_default).to be_valid }
       it { expect(errors).to be_nil }
     end
@@ -28,7 +28,7 @@ describe AssignTo, type: :model do
         pp
       end
 
-      it { expect(procedure_presentation_or_default).not_to be_persisted }
+      it { expect(procedure_presentation_or_default).to be_persisted }
       it { expect(procedure_presentation_or_default).to be_valid }
       it { expect(errors).to be_present }
       it do

spec/models/instructeur_spec.rb

@@ -169,14 +169,17 @@ describe Instructeur, type: :model do
         pp.save(:validate => false)
       end
 
-      it { expect(procedure_presentation).not_to be_persisted }
+      it 'recreates a valid prsentation' do
+        expect(procedure_presentation).to be_persisted
+      end
+      it { expect(procedure_presentation).to be_valid }
       it { expect(errors).to be_present }
     end
 
     context 'with default presentation' do
       let(:procedure_id) { procedure_2.id }
 
-      it { expect(procedure_presentation).not_to be_persisted }
+      it { expect(procedure_presentation).to be_persisted }
       it { expect(errors).to be_nil }
     end
   end