add: do_check_neq(aItem, null); 
context: function do_check_item(aItem, aVersion, aAddonsEntry) {  if (aAddonsEntry.installed) {    do_check_eq(aItem.version, aVersion);  } else {    do_check_eq(aItem, null);  }}
meta: 10520	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/10520/e8231ac96b8a9c3a35d8c1458ccdb439d07175c9/test_bug299716.js/buggy/toolkit/mozapps/extensions/test/unit/test_bug299716.js