DEV: Convert some files to autoloading and various improvements (#26860)

plugins/automation/spec/models/automation_spec.rb

@@ -1,7 +1,5 @@
 # frozen_string_literal: true
 
-require_relative "../discourse_automation_helper"
-
 describe DiscourseAutomation::Automation do
   describe "#trigger!" do
     context "when not enabled" do
@@ -43,7 +41,7 @@ describe DiscourseAutomation::Automation do
 
     it "runs a sidekiq job to trigger it" do
       expect { automation.trigger!({ val: "Howdy!" }) }.to change {
-        Jobs::DiscourseAutomationTrigger.jobs.size
+        Jobs::DiscourseAutomation::Trigger.jobs.size
       }.by(1)
     end
   end