'The mail may be sent with multiple recipients.'

def test_multiple_receivers(self):

    recipients = ['joe@example.com', 'jane@example.com']
    call_command('sendtestemail', recipients[0], recipients[1])
    self.assertEqual(len(mail.outbox), 1)
    mail_message = mail.outbox[0]
    self.assertEqual(mail_message.subject[0:15], 'Test    email    from')
    self.assertEqual(sorted(mail_message.recipients()), ['jane@example.com', 'joe@example.com'])
