Add trending links (#16917)

* Add trending links

* Add overriding specific links trendability

* Add link type to preview cards and only trend articles

Change trends review notifications from being sent every 5 minutes to being sent every 2 hours

Change threshold from 5 unique accounts to 15 unique accounts

* Fix tests

1 files changed, 2 insertions, 7 deletions

diff --git a/spec/helpers/settings_helper_spec.rb b/spec/helpers/languages_helper_spec.rb
index 092c37583..6db617824 100644
--- a/spec/helpers/settings_helper_spec.rb
+++ b/spec/helpers/languages_helper_spec.rb
@@ -2,20 +2,15 @@
 
 require 'rails_helper'
 
-describe SettingsHelper do
+describe LanguagesHelper do
   describe 'the HUMAN_LOCALES constant' do
     it 'includes all I18n locales' do
-      options = I18n.available_locales
-
-      expect(described_class::HUMAN_LOCALES.keys).to include(*options)
+      expect(described_class::HUMAN_LOCALES.keys).to include(*I18n.available_locales)
     end
   end
 
   describe 'human_locale' do
     it 'finds the human readable local description from a key' do
-      # Ensure the value is as we expect
-      expect(described_class::HUMAN_LOCALES[:en]).to eq('English')
-
       expect(helper.human_locale(:en)).to eq('English')
     end
   end