feat: Add APIs to manage custom roles in Chatwoot (#9995)

Co-authored-by: Pranav <pranavrajs@gmail.com>

spec/enterprise/models/account_spec.rb

@@ -2,9 +2,15 @@
 
 require 'rails_helper'
 
-RSpec.describe Account do
+RSpec.describe Account, type: :model do
   include ActiveJob::TestHelper
 
+  describe 'associations' do
+    it { is_expected.to have_many(:sla_policies).dependent(:destroy_async) }
+    it { is_expected.to have_many(:applied_slas).dependent(:destroy_async) }
+    it { is_expected.to have_many(:custom_roles).dependent(:destroy_async) }
+  end
+
   describe 'sla_policies' do
     let!(:account) { create(:account) }
     let!(:sla_policy) { create(:sla_policy, account: account) }