use active job test queue adapter in rspec

spec/rails_helper.rb

@@ -47,6 +47,7 @@ RSpec.configure do |config|
 
   config.include FactoryBot::Syntax::Methods
   config.include Devise::Test::IntegrationHelpers
+  config.include ActiveJob::TestHelper
 
   config.before(:each, type: :system) do
     if ENV['HEADLESS'] == 'false'