Fix broken spec for about/links view partial (#2586)

app/views/about/_links.html.haml

@@ -5,7 +5,7 @@
       - if user_signed_in?
         %li= link_to t('about.get_started'), root_path
       - else
-        - if @instance_presenter.open_registrations
+        - if instance.open_registrations
           %li= link_to t('about.get_started'), new_user_registration_path
         %li= link_to t('auth.login'), new_user_session_path
       %li= link_to t('about.terms'), terms_path

app/views/about/more.html.haml

@@ -29,5 +29,5 @@
 
     .sidebar
       = render 'contact', contact: @instance_presenter
-      = render 'links'
+      = render 'links', instance: @instance_presenter
       = render 'version', version: @instance_presenter

spec/views/about/_links.html.haml_spec.rb

@@ -7,7 +7,7 @@ describe 'about/_links.html.haml' do
     instance_presenter = double(:instance_presenter, open_registrations: true)
     assign(:instance_presenter, instance_presenter)
     allow(view).to receive(:user_signed_in?).and_return(true)
-    render
+    render 'about/links', instance: InstancePresenter.new
 
     expect(rendered).to have_content(I18n.t('about.get_started'))
     expect(rendered).not_to have_content(I18n.t('auth.login'))
@@ -17,7 +17,7 @@ describe 'about/_links.html.haml' do
     instance_presenter = double(:instance_presenter, open_registrations: true)
     assign(:instance_presenter, instance_presenter)
     allow(view).to receive(:user_signed_in?).and_return(false)
-    render
+    render 'about/links', instance: InstancePresenter.new
 
     expect(rendered).to have_content(I18n.t('about.get_started'))
     expect(rendered).to have_content(I18n.t('auth.login'))