def METHOD_NAME(self):
    url = reverse("groups.add_member", locale="en-US", args=[self.group_profile.slug])
    r = self.client.get(url)
    self.assertEqual(405, r.status_code)
    r = self.client.post(url, {"users": self.member.username})
    self.assertEqual(302, r.status_code)
    assert self.member in self.group_profile.group.user_set.all()