The tests here run in the GZ as they need to be able to manage VMs. In order to run the tests run:
which will generate a tests.tar.gz file which you can unpack on your system in /usr/vm/test and then run:
(cd /usr/vm/test; ./run-tests)
to run all the tests.
You should be able to just run:
which will update all the node-tap files. Please ensure all tests are working before you commit the update to node-tap.