Do not use Ruby Timeout module in GitLab QA

qa/qa/page/main/entry.rb

-require 'timeout'
-
 module QA
   module Page
     module Main
@@ -7,16 +5,15 @@ module QA
         def initialize
           visit('/')
 
-          # This resolves cold boot / post-deployment migrations running
-          # problems.
+          # This resolves cold boot / background tasks problems
           #
-          Timeout.timeout(240) do
-            loop do
+          start = Time.now
+
+          while Time.now - start < 240
             break if page.has_css?('.application', wait: 10)
             refresh
           end
         end
-        end
 
         def sign_in_using_credentials
           if page.has_content?('Change your password')