'Incoming email from a parent document follower on a Followers only alias -> ok'

@mute_logger('odoo.addons.mail.models.mail_thread', 'odoo.models')
def test_message_process_alias_followers(self):

    self.alias.write({'alias_contact': 'followers', 'alias_parent_model_id': self.mail_channel_model.id, 'alias_parent_thread_id': self.group_pigs.id})
    self.group_pigs.message_subscribe(partner_ids=[self.partner_1.id])
    new_groups = self.format_and_process(MAIL_TEMPLATE, email_from='Valid    Lelitre    <valid.lelitre@agrolait.com>', to='groups@example.com,    other6@gmail.com')
    self.assertEqual(len(new_groups), 1, 'message_process:    a    new    mail.channel    should    have    been    created')
