testsettings.py

import django

DATABASES = {
    "default": {
        "ENGINE": "django.db.backends.sqlite3",
        "NAME": ":memory:",
    },
}

INSTALLED_APPS = ("vanilla",)

if django.VERSION >= (1, 10):
    MIDDLEWARE = [
        "django.middleware.common.CommonMiddleware",
        "django.middleware.csrf.CsrfViewMiddleware",
    ]
else:
    MIDDLEWARE_CLASSES = [
        "django.middleware.common.CommonMiddleware",
        "django.middleware.csrf.CsrfViewMiddleware",
    ]

SECRET_KEY = "abcde12345"

if django.VERSION >= (3, 2):
    DEFAULT_AUTO_FIELD = "django.db.models.AutoField"