Fix for the new adapter setter

test/adapters/delayed_job.rb

@@ -3,4 +3,4 @@ $LOAD_PATH << File.dirname(__FILE__) + "/../support/delayed_job"
 
 Delayed::Worker.delay_jobs = false
 Delayed::Worker.backend = :test
-ActiveJob::Base.adapter = :delayed_job
+ActiveJob::Base.queue_adapter = :delayed_job

test/cases/adapter_test.rb

@@ -26,7 +26,7 @@ class AdapterTest < ActiveSupport::TestCase
   end
 
   test 'should load delayed_job adapter' do
-    ActiveJob::Base.adapter = :delayed_job
+    ActiveJob::Base.queue_adapter = :delayed_job
     assert_equal ActiveJob::QueueAdapters::DelayedJobAdapter, ActiveJob::Base.queue_adapter
   end