MicroTest is a open source and minimal testing framework that works transactional without setup and teardown.
MicroTest goes great together with matchy and it lets you explicitly set the current self object for a testing block.
Installation: To install MicroTest on your Mac easier (without having to build it using the source package) you will have to open a Terminal window, browse to the folder containing the MicroTest Ruby gem and run the following command from inside that directory (you will need administrator privileges to be able to run it):
