Add ability to email announcements to all users (#33928)

app/controllers/admin/announcements/tests_controller.rb

@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+class Admin::Announcements::TestsController < Admin::BaseController
+  before_action :set_announcement
+
+  def create
+    authorize @announcement, :distribute?
+    UserMailer.announcement_published(current_user, @announcement).deliver_later!
+    redirect_to admin_announcements_path
+  end
+
+  private
+
+  def set_announcement
+    @announcement = Announcement.find(params[:announcement_id])
+  end
+end