Convert radios on link-service-to-org page (basic)

app/main/forms.py

@@ -2009,7 +2009,7 @@ class LinkOrganisationsForm(StripWhitespaceForm):
         super().__init__(*args, **kwargs)
         self.organisations.choices = kwargs['choices']
 
-    organisations = RadioField(
+    organisations = GovukRadiosField(
         'Select an organisation',
         validators=[
             DataRequired()

app/templates/views/service-settings/link-service-to-organisation.html

@@ -1,5 +1,4 @@
 {% extends "withnav_template.html" %}
-{% from "components/radios.html" import radios %}
 {% from "components/page-header.html" import page_header %}
 {% from "components/page-footer.html" import sticky_page_footer %}
 {% from "components/live-search.html" import live_search %}
@@ -18,14 +17,14 @@
     back_link=url_for('.service_settings', service_id=current_service.id)
   ) }}
   {{ live_search(
-    target_selector='.multiple-choice',
+    target_selector='.govuk-radios__item',
     show=True, form=search_form,
     label='Search by name',
     autofocus=True
   ) }}
   {% call form_wrapper() %}
     {% if has_organisations %}
-      {{ radios(form.organisations) }}
+      {{ form.organisations }}
       {{ sticky_page_footer('Save') }}
     {% else %}
       <p class="hint"> No organisations </p>

tests/app/main/views/test_service_settings.py

@@ -4494,10 +4494,10 @@ def test_select_organisation(
     assert response.status_code == 200
     page = BeautifulSoup(response.data.decode('utf-8'), 'html.parser')
 
-    assert len(page.select('.multiple-choice')) == 3
+    assert len(page.select('.govuk-radios__item')) == 3
     for i in range(0, 3):
         assert normalize_spaces(
-            page.select('.multiple-choice label')[i].text
+            page.select('.govuk-radios__item label')[i].text
         ) == 'Org {}'.format(i + 1)