Intermittent pass in /html/browsers/history/the-history-interface/traverse_the_history_5.html, /html/browsers/history/the-history-interface/traverse_the_history_3.html, /html/browsers/history/the-history-interface/traverse_the_history_4.html, /html/browsers/history/the-history-interface/traverse_the_history_2.html, /html/browsers/history/the-history-interface/traverse_the_history_1.html #21383