The framework is a bit old and has already crossed a little piece of the IT's history. Let's follow the resume of Django's life, its well known third applications, links with Python and related events:

Every one has already test a big sized app realizes he must write his own test framework for make clear tests with easy reading and usage. For example, Django has its own test framework, inherited from unittest, for ease tests for models, views, mails and more. Even with Django I sometimes need to create modules ...