Add option for one off in request to go live

When we first made this form you couldn’t send one off messages with
Notify. It’s interesting to us because it might help identity teams who
would benefit from email auth, or other features that we build in the
future for caseworkers.

tests/app/main/views/test_service_settings.py

@@ -434,6 +434,14 @@ def test_should_show_request_to_go_live(
         assert normalize_spaces(
             page.select_one('label[for=channel_{}]'.format(channel)).text
         ) == label
+    for feature, label in (
+        ('one_off', 'One at a time'),
+        ('upload', 'Upload a spreadsheet of recipients'),
+        ('api', 'Integrate with the GOV.UK Notify API'),
+    ):
+        assert normalize_spaces(
+            page.select_one('label[for=method_{}]'.format(feature)).text
+        ) == label
 
 
 def test_should_redirect_after_request_to_go_live(
@@ -459,7 +467,9 @@ def test_should_redirect_after_request_to_go_live(
             'start_date': '01/01/2017',
             'start_volume': '100,000',
             'peak_volume': '2,000,000',
-            'upload_or_api': 'API'
+            'method_one_off': 'y',
+            'method_upload': 'y',
+            'method_api': 'y',
         },
         _follow_redirects=True
     )
@@ -483,7 +493,7 @@ def test_should_redirect_after_request_to_go_live(
     assert 'Start date: 01/01/2017' in returned_message
     assert 'Start volume: 100,000' in returned_message
     assert 'Peak volume: 2,000,000' in returned_message
-    assert 'Upload or API: API' in returned_message
+    assert 'Features: one off, file upload and API' in returned_message
 
     assert normalize_spaces(page.select_one('.banner-default').text) == (
         'We’ve received your request to go live'