Rollback of transaction without raising an error

Hi!

Im trying to maintain some kind of programmer dignity in my SSIS-project, meaning implementing a lot of tests to verify wanted and the non occurence of unwanted behaviour.

My problem is this: I want to wrap all my tests in a global transaction which should be rolled back at the end so that data is not changed in the database afterwards. I would like to do this without having to raise an error. Why? Because I want all my test to be green. Everywhere. 

 I have tried to find some way through the script task/C# but I cant get hold of the transaction. Is there anyway to do this?

SQL Server 2012, Visual Studio 2010