For the last few days, building org with make up2 results in the following failed tests with Emacs for Mac OS X 24.3.1:
Ran 456 tests, 448 results as expected, 8 unexpected (2013-09-24 10:59:21-0400) 5 expected failures 8 unexpected results: FAILED test-ob/org-babel-remove-result--results-code FAILED test-ob/org-babel-remove-result--results-default FAILED test-ob/org-babel-remove-result--results-html FAILED test-ob/org-babel-remove-result--results-latex FAILED test-ob/org-babel-remove-result--results-list FAILED test-ob/org-babel-remove-result--results-org FAILED test-ob/org-babel-remove-result--results-pp FAILED test-ob/org-babel-remove-result--results-wrap