Making Unit Testing Less Monotonous

Unit testing ordinary beans like value objects, transfer objects, or entities is the most boring coding one can be subjected to.  Yes, it's easy, but it’s extremely monotonous.  
The unit testing for beans like this do have value, but it’s limited.  If you're manually coding tests of accessors and mutators, you can make an argument that the benefit might not be worth the labor cost.  I've taken a different approach: let’s reduce the cost.  Delegate monotonous coding to...