Dajango tests using sessions without the Django internal user system

test.py

from django.test.client import Client
from django.test import TestCase
from django.conf import settings
from django.utils.importlib import import_module

from project.app.models import User

class MyTestCase(TestCase):
    def setUp(self):
        settings.SESSION_ENGINE = 'django.contrib.sessions.backends.file'
        engine = import_module(settings.SESSION_ENGINE)
        store = engine.SessionStore()
        store.save()
        self.session = store
        self.client.cookies[settings.SESSION_COOKIE_NAME] = store.session_key

        self.user = User.objects.create(name='user', email='user@mail.dom')
        session = self.session
        session['user'] = self.user
        session.save()