Turn off reference project tests until someone begins working on UI designer code since they need to be updated to work with latest versions of SDKs on build server.
<?xml version="1.0" encoding="UTF-8"?>
<?eclipse version="3.2"?>
<plugin>
<extension-point id="featureUseTracker" name="Feature Usage Tracker" schema="schema/featureUseTracker.exsd"/>
</plugin>