Red Gate is now shipping SQL Test, a graphical UI for tSQLt.
tSQLt is a Database Unit Testing Framework for SQL Server that was developed by Dennis and me.
SQL Test integrates with SSMS and allows you to create, edit and run your tSQLt tests right where you do all your T-SQL development work anyway. That makes the whole workflow of testing a lot simpler and easier to follow:
Also check out Grant Fritchey's new video here: http://youtu.be/1w9X-WzcFz0