fix forum topic test

test/unit/forum_topic_test.rb

@@ -3,6 +3,7 @@ require 'test_helper'
 class ForumTopicTest < ActiveSupport::TestCase
   context "A forum topic" do
     setup do
+      travel_to Time.now
       @user = FactoryBot.create(:user)
       CurrentUser.user = @user
       CurrentUser.ip_addr = "127.0.0.1"