To run the test suite, first, create and activate a virtual environment. Then

install some requirements and run the tests::

$ cd tests

$ python -m pip install -e ..

$ python -m pip install -r requirements/py3.txt

$ ./runtests.py

For more information about the test suite, see

https://docs.djangoproject.com/en/dev/internals/contributing/writing-code/unit-tests/.