ability to share template with testing account

app/controllers/template_sharings_testing_controller.rb

@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+class TemplateSharingsTestingController < ApplicationController
+  load_and_authorize_resource :template, parent: true
+
+  before_action do
+    authorize!(:manage, TemplateSharing.new(template: @template))
+  end
+
+  def create
+    testing_account = Accounts.find_or_create_testing_user(true_user.account).account
+
+    if params[:value] == '1'
+      TemplateSharing.create!(ability: :manage, account: testing_account, template: @template)
+    else
+      TemplateSharing.find_by(template: @template, account: testing_account)&.destroy!
+    end
+
+    head :ok
+  end
+end