Allow GPs to click through to the agreement

We want GPs to be able to accept the agreement online. But at the moment
they don’t get automatically assigned to organisations. So we need to
let them enter the agreement accepting journey even if they don’t have
an organisation set up.

tests/app/main/views/test_service_settings.py

@@ -1087,6 +1087,59 @@ def test_should_check_for_mou_on_request_to_go_live(
     assert normalize_spaces(checklist_items[3].text) == expected_item
 
 
+@pytest.mark.parametrize('organisation_type', (
+    'nhs_gp',
+    pytest.param(
+        'central',
+        marks=pytest.mark.xfail(raises=IndexError)
+    ),
+))
+def test_gp_without_organisation_is_shown_agreement_step(
+    client_request,
+    service_one,
+    mocker,
+    organisation_type,
+):
+    mocker.patch(
+        'app.models.service.Service.has_team_members',
+        return_value=False,
+    )
+    mocker.patch(
+        'app.models.service.Service.all_templates',
+        new_callable=PropertyMock,
+        return_value=[],
+    )
+    mocker.patch(
+        'app.main.views.service_settings.service_api_client.get_sms_senders',
+        return_value=[],
+    )
+    mocker.patch(
+        'app.main.views.service_settings.service_api_client.get_reply_to_email_addresses',
+        return_value=[],
+    )
+    for channel in {'email', 'sms', 'letter'}:
+        mocker.patch(
+            'app.models.service.Service.volume_{}'.format(channel),
+            create=True,
+            new_callable=PropertyMock,
+            return_value=None,
+        )
+
+    mocker.patch('app.organisations_client.get_service_organisation', return_value=None)
+    service_one['organisation_id'] = None
+    service_one['organisation_type'] = organisation_type
+
+    page = client_request.get(
+        'main.request_to_go_live', service_id=SERVICE_ONE_ID
+    )
+    assert page.h1.text == 'Before you request to go live'
+    assert normalize_spaces(
+        page.select('.task-list .task-list-item')[3].text
+    ) == (
+        'Accept our data sharing and financial agreement Not completed'
+    )
+
+
 def test_non_gov_user_is_told_they_cant_go_live(
     client_request,
     api_nongov_user_active,