The Samples and Tutorials will walk you through the framework functionality:

Sample One In this tutorial you will learn how to create unit tests, run them, check results, and will try conceptual high level approach to test driven database development.
Sample Two In this tutorial you will refactor existing code, learn new assert procedures, will add extra unit tests.
Sample Three In this tutorial you will learn about suite setup and teardown procedures, message logging and hint procedures
Sample Four In this sample we will: refactor the code and introduce multiple test suites; learn about new Assert Procedures that verify DDL.