Only offer agreement download to non-crown for now

We don’t have the crown agreement in a nice downloadable format at the
moment.

tests/app/main/views/test_agreement.py

@@ -15,7 +15,7 @@ class _MockS3Object():
 
 
 @pytest.mark.parametrize('email_address, expected_status', [
-    ('test@cabinet-office.gov.uk', 200),
+    ('test@cabinet-office.gov.uk', 404),
     ('test@aylesburytowncouncil.gov.uk', 200),
     ('test@unknown.gov.uk', 404),
 ])
@@ -36,11 +36,11 @@ def test_show_agreement_page(
 
 
 @pytest.mark.parametrize('email_address, expected_file_fetched, expected_file_served', [
-    (
+    pytest.mark.xfail((
         'test@cabinet-office.gov.uk',
         'crown.pdf',
         'GOV.UK Notify data sharing and financial agreement.pdf',
-    ),
+    ), raises=AssertionError),
     (
         'test@aylesburytowncouncil.gov.uk',
         'non-crown.pdf',

tests/app/main/views/test_index.py

@@ -155,6 +155,23 @@ def test_terms_is_generic_if_user_is_not_logged_in(
             'we already have one in place with your organisation.'
         ),
     ),
+    (
+        'michael.fish@metoffice.gov.uk',
+        (
+            'Your organisation (Met Office) must also accept our data '
+            'sharing and financial agreement. Contact us to get a copy.'
+        ),
+        partial(
+            url_for,
+            'main.feedback',
+            ticket_type='ask-question-give-feedback',
+            body='agreement-with-owner',
+        ),
+        (
+            'Contact us to get a copy of the agreement (Met Office '
+            'hasn’t accepted it yet).'
+        ),
+    ),
 ])
 def test_terms_tells_logged_in_users_what_we_know_about_their_agreement(
     mocker,