chore: Refactor Automation Specs (#6796)

The current way of writing specs for automation in one single file automation_listener isn't effective. Hence we are breaking down the specs for each class into separate spec files.

fixes: CW-1447

spec/services/action_service_spec.rb

@@ -0,0 +1,15 @@
+require 'rails_helper'
+
+describe ::ActionService do
+  describe '#resolve_conversation' do
+    let(:conversation) { create(:conversation) }
+    let(:action_service) { described_class.new(conversation) }
+
+    it 'resolves the conversation' do
+      expect(conversation.status).to eq('open')
+      action_service.resolve_conversation(nil)
+      expect(conversation.reload.status).to eq('resolved')
+    end
+  end
+  # TODO: Expand this test suite
+end