Add email reply to address to go live ticket

It’s one of the things we check when someone makes a request to go live,
and putting it in the ticket means we don’t have to take the extra step
of clicking into the settings.

Also added some line breaks to chunk things up a bit more clearly.

tests/app/main/views/test_service_settings.py

@@ -1661,10 +1661,13 @@ def test_should_redirect_after_request_to_go_live(
         '---\n'
         'Organisation type: Central\n'
         'Agreement signed: Can’t tell (domain is user.gov.uk).\n'
+        '\n'
         '{formatted_displayed_volumes}'
+        '\n'
         'Consent to research: Yes\n'
         'Other live services: No\n'
         '\n'
+        'Service reply-to address: test@example.com\n'
         '---\n'
         'Request sent by test@user.gov.uk\n'
     ).format(
@@ -1724,12 +1727,15 @@ def test_request_to_go_live_displays_go_live_notes_in_zendesk_ticket(
         '---\n'
         'Organisation type: Central\n'
         'Agreement signed: No (organisation is Org 1, a crown body). {go_live_note}\n'
+        '\n'
         'Emails in next year: 111,111\n'
         'Text messages in next year: 222,222\n'
         'Letters in next year: 333,333\n'
+        '\n'
         'Consent to research: Yes\n'
         'Other live services: No\n'
         '\n'
+        'Service reply-to address: test@example.com\n'
         '---\n'
         'Request sent by test@user.gov.uk\n'
     ).format(