Add Reviewable model concern (#31152)

spec/models/account_spec.rb

@@ -3,6 +3,8 @@
 require 'rails_helper'
 
 RSpec.describe Account do
+  include_examples 'Reviewable'
+
   context 'with an account record' do
     subject { Fabricate(:account) }
 

spec/models/preview_card_provider_spec.rb

@@ -3,6 +3,8 @@
 require 'rails_helper'
 
 describe PreviewCardProvider do
+  include_examples 'Reviewable'
+
   describe 'scopes' do
     let(:trendable_and_reviewed) { Fabricate(:preview_card_provider, trendable: true, reviewed_at: 5.days.ago) }
     let(:not_trendable_and_not_reviewed) { Fabricate(:preview_card_provider, trendable: false, reviewed_at: nil) }

spec/models/tag_spec.rb

@@ -3,6 +3,8 @@
 require 'rails_helper'
 
 RSpec.describe Tag do
+  include_examples 'Reviewable'
+
   describe 'validations' do
     it 'invalid with #' do
       expect(described_class.new(name: '#hello_world')).to_not be_valid