First, install the extra dependencies:
$ pip install -r requirements/maintainer.txt
You can run the test suite in a specific environment via tox. In this example, against Python 2.7 and Django 1.4. (Hint: try tox -l for a full list).
$ tox -e py27-dj14
The full set of environments can be run by providing no arguments to tox. If it’s the first time, consider opening a beer.
Finally, you can run the test suite without tox if you prefer. You will need to manually install additional dependencies if you choose to do this.
$ nosetests tests