test_settings.py

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.sqlite3',
        'NAME': 'test.sqlite',
    }
}

INSTALLED_APPS = (
    'snowpenguin.django.recaptcha3',
)

RECAPTCHA_PRIVATE_KEY = 'your private key'
RECAPTCHA_PUBLIC_KEY = 'your public key'
RECAPTCHA_DEFAULT_ACTION = 'generic'
RECAPTCHA_SCORE_THRESHOLD = 0.5