1.run test case in firefox 2.poke structure with at-poke expected result: tree structure exposed to at-poke actural result: no tree structure exposed to at-poke
XUL doesn't get exposed when it's running as content. That's bug 241015. The bookmark manager tree is exposed when running in chrome. To test xul samples you have to run them with firefox -chrome xulfile.xul INVALID?
I prefer dup. *** This bug has been marked as a duplicate of 241015 ***