Merge pull request #9540 from DFE-Digital/1982-reminder-email-content-p2

[1982] Update unsubscribe content

app/views/candidate_interface/unsubscribe_from_emails/unsubscribe.html.erb

@@ -3,5 +3,6 @@
 <div class="govuk-grid-row">
   <div class="govuk-grid-column-two-thirds">
     <h1 class="govuk-heading-m"><%= t('unsubscribe_from_emails.heading') %></h1>
+    <p class="govuk-body"><%= t('unsubscribe_from_emails.paragraph') %></p>
   </div>
 </div>

app/views/candidate_mailer/eoc_deadline_reminder.erb

@@ -14,4 +14,6 @@ If you have questions about your application, you can [get in touch with us on t
 
 You can also [get a teacher training adviser](<%= email_link_with_utm_params I18n.t('get_into_teaching.url_get_an_adviser_start'), 'eoc_deadline_reminder', @application_form.phase %>) for free, one-to-one support to help you write a strong application.
 
-[Unsubscribe from these messages](<%= candidate_unsubscribe_link(@application_form.candidate) %>) to stop receiving deadline reminders. You will still receive updates about your application.
+---
+
+[Unsubscribe from these emails](<%= candidate_unsubscribe_link(@application_form.candidate) %>). You will still receive essential updates about your application.

config/locales/candidate_interface/unsubscribe_from_emails.yml

@@ -1,4 +1,5 @@
 en:
   unsubscribe_from_emails:
     page_title: Unsubscribe from emails
-    heading: You have unsubscribed from emails
+    heading: You have successfully unsubscribed
+    paragraph: You will still receive essential updates about your application.

spec/system/candidate_interface/candidate_unsubscribe_from_emails_spec.rb

@@ -69,7 +69,7 @@ def then_i_am_unsubscribed
   end
 
   def and_i_see_unsubscribe_confirmation
-    expect(page).to have_content 'You have unsubscribed from emails'
+    expect(page).to have_content 'You have successfully unsubscribed'
   end
   alias_method :then_i_see_unsubscribe_confirmation, :and_i_see_unsubscribe_confirmation
   def and_i_am_on_application_details_page