mailers: add a NO_REPLY address to transactional emails

spec/mailers/dossier_mailer_spec.rb

@@ -4,6 +4,10 @@ RSpec.describe DossierMailer, type: :mailer do
   let(:to_email) { 'instructeur@exemple.gouv.fr' }
 
   shared_examples 'a dossier notification' do
+    it 'is sent from a no-reply address' do
+      expect(subject.from.first).to eq(Mail::Address.new(NO_REPLY_EMAIL).address)
+    end
+
     it 'includes the contact informations in the footer' do
       expect(subject.body).to include('ne pas répondre')
     end

spec/mailers/notification_mailer_spec.rb

@@ -56,5 +56,9 @@ RSpec.describe NotificationMailer, type: :mailer do
         expect(mail.body).not_to include('iframe')
       end
     end
+
+    it 'sends the mail from a no-reply address' do
+      expect(subject.from.first).to eq(Mail::Address.new(NO_REPLY_EMAIL).address)
+    end
   end
 end