def METHOD_NAME(self):
    other_user = self.create_user(email="other@example.com")
    self.login_as(user=other_user)
    # self.url represents users url to `self.user` and we are logged in as `other_user`
    response = self.client.post(self.url, data={"email": "altemail1@example.com"})
    assert response.status_code == 403