Index of /tests/adhoc/dom/level0/history
      Name                     Last modified      Size  Description
      Parent Directory                              -   
      cross-origin/            2013-11-13 12:40    -   
      pushState/               2013-06-12 14:46    -   
      sync-vs-async/           2010-01-22 01:52    -   
      001.html                 2009-07-06 02:39  436   history.back()
      005.html                 2009-08-25 19:37  542   Synchronicity of events during history.back()
      002.html                 2009-07-06 16:52  694   history.back()
      003.html                 2009-07-06 02:39  694   history.back()
      004.html                 2009-07-06 17:25  694   history.back()
Two things worth noting about these tests (especially 001-004).
First: let them get cached, then run them. That is, run them twice,
and ignore the first result.
Second: avoid using the back button while running these tests, or
you'll lose your sanity.