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, 0 insertions, 22 deletions

diff --git a/spec/helpers/settings_helper_spec.rb b/spec/helpers/settings_helper_spec.rb
deleted file mode 100644
index 092c37583..000000000
--- a/spec/helpers/settings_helper_spec.rb
+++ /dev/null
@@ -1,22 +0,0 @@
-# frozen_string_literal: true
-
-require 'rails_helper'
-
-describe SettingsHelper 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)
-    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
-end