Fix session timeout test
Tests were always failing in IE8 and randomly failing in other browsers due to race conditions
Fixed the prettify test in IE8
It seems IE8 gets confused when no end tag is specified. The elements are never added. It seems to be the only browser with this problem
Equal Height: Fix a bug in IE8 where the last class would get removed if not followed by a ;
Equal Height Test: Fixed and optimized the test
Merge pull request #5897 from LaurentGoderre/fix-tests

Fix tests