testsettings.py

import os

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.postgresql',
        'NAME': 'netfields',
    }
}

INSTALLED_APPS = (
    'netfields',
    'test',
)

MIDDLEWARE_CLASSES = (
    'django.contrib.sessions.middleware.SessionMiddleware',
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    'django.contrib.messages.middleware.MessageMiddleware',
)

SECRET_KEY = "notimportant"

DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'