Routing is a named concept now

app/jobs/action_mailroom/deliver_inbound_email_to_mailroom_job.rb

@@ -1,7 +0,0 @@
-class ActionMailroom::DeliverInboundEmailToMailroomJob < ActiveJob::Base
-  queue_as :action_mailroom_inbound_email
-
-  def perform(inbound_email)
-    ApplicationMailbox.route inbound_email
-  end
-end

app/jobs/action_mailroom/routing_job.rb

@@ -0,0 +1,7 @@
+class ActionMailroom::RoutingJob < ActiveJob::Base
+  queue_as :action_mailroom_routing
+
+  def perform(inbound_email)
+    ApplicationMailbox.route inbound_email
+  end
+end

app/models/action_mailroom/inbound_email.rb

@@ -18,6 +18,6 @@ class ActionMailroom::InboundEmail < ActiveRecord::Base
 
   private
     def deliver_to_mailroom_later
-      ActionMailroom::DeliverInboundEmailToMailroomJob.perform_later self
+      ActionMailroom::RoutingJob.perform_later self
     end
 end

test/unit/inbound_email/routing_test.rb

@@ -1,8 +1,8 @@
 require_relative '../../test_helper'
 
-class ActionMailroom::InboundEmail::DeliverToMailroomTest < ActiveSupport::TestCase
+class ActionMailroom::InboundEmail::RoutingTest < ActiveSupport::TestCase
   test "pending emails are delivered to the mailroom" do
-    assert_enqueued_jobs 1, only: ActionMailroom::DeliverInboundEmailToMailroomJob do
+    assert_enqueued_jobs 1, only: ActionMailroom::RoutingJob do
       create_inbound_email("welcome.eml", status: :pending)
     end
   end

test/unit/mailbox/routing_test.rb

@@ -22,7 +22,7 @@ class ActionMailroom::Mailbox::RoutingTest < ActiveSupport::TestCase
   end
 
   test "delayed routing" do
-    perform_enqueued_jobs only: ActionMailroom::DeliverInboundEmailToMailroomJob do
+    perform_enqueued_jobs only: ActionMailroom::RoutingJob do
       another_inbound_email = create_inbound_email("welcome.eml", status: :pending)
       assert_equal "Discussion: Let's debate these attachments", $processed
     end