[Fix #6504] Fix exception raised when deleting a transfer

spec/controllers/users/transfers_controller_spec.rb

@@ -0,0 +1,16 @@
+describe Users::TransfersController, type: :controller do
+  let(:user) { create(:user) }
+  let(:dossier) { create(:dossier, user: user) }
+
+  before { sign_in(user) }
+
+  describe 'DELETE destroy' do
+    let(:dossier_transfert) { DossierTransfer.initiate(user.email, [dossier]) }
+
+    before do
+      delete :destroy, params: { id: dossier_transfert.id }
+    end
+
+    it { expect { dossier_transfert.reload }.to raise_error(ActiveRecord::RecordNotFound) }
+  end
+end