Fix tests

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

@@ -10,6 +10,7 @@ describe 'about/show.html.haml', without_verify_partial_doubles: true do
     allow(view).to receive(:site_title).and_return('example site')
     allow(view).to receive(:new_user).and_return(User.new)
     allow(view).to receive(:use_seamless_external_login?).and_return(false)
+    allow(view).to receive(:render_captcha_if_needed).and_return(nil)
   end
 
   it 'has valid open graph tags' do