Django send_mail não está funcionando no teste

# The Django test runner will actually configure a different email backend for you.
# To override it do the following

from django.test.utils import override_settings

@override_settings(
    EMAIL_BACKEND='django.core.mail.backends.smtp.EmailBackend')
def test_send_email_with_real_SMTP(self):
   # your code goes here....
Panicky Pintail