We're pleased to say that we have just released a beta version of SQL Test which includes the latest version of the tSQLt framework:
http://download.red-gate.com/EAP/SQLTes ... stBeta.zip
To upgrade the tSQLt framework, right click on the database in the SQL Test window and click "Uninstall tSQLt Framework" and then reinstall it using "Add database...". None of your tests will be lost in the process.
Please let us know if you have any issues.