65515-copy-change (#2924)

* Update copy when site unavailable rather than read-only

* update e2e test

* update assets version

admin/views/availability/admin-window-unavailable.ejs

@@ -4,7 +4,7 @@
             <h1 class="govuk-heading-xl">The multiplication tables check service is currently closed</h1>
             <%- partial('partials/_gds_session_expiry') %>
 
-            <p class="govuk-body">The multiplication tables check service opens on Monday 8 April 2024 for maintained schools, special schools and academies (including free schools) with year 4 pupils.</p>
+            <p class="govuk-body">The multiplication tables check service opens on Monday 28 April 2025 for maintained schools, special schools and academies (including free schools) with year 4 pupils.</p>
 
             <p class="govuk-body">Further information is available on GOV.UK:
                 <a href="https://www.gov.uk/government/collections/multiplication-tables-check" target="_blank" rel="noopener noreferrer">https://www.gov.uk/government/collections/multiplication-tables-check</a>

test/admin-hpa/features/step_definitions/post_check_window_steps.rb

@@ -49,5 +49,5 @@
 
 Then(/^teachers should see the service unavailable page$/) do
   step 'I am logged in'
-  expect(page.text).to include "\nThe multiplication tables check service is currently closed\nThe multiplication tables check service opens on Monday 8 April 2024 for maintained schools, special schools and academies (including free schools) with year 4 pupils.\nFurther information is available on GOV.UK: https://www.gov.uk/government/collections/multiplication-tables-check\nSign out"
+  expect(page.text).to include "\nThe multiplication tables check service is currently closed\nThe multiplication tables check service opens on Monday 28 April 2025 for maintained schools, special schools and academies (including free schools) with year 4 pupils.\nFurther information is available on GOV.UK: https://www.gov.uk/government/collections/multiplication-tables-check\nSign out"
 end