def METHOD_NAME(self):
    self.login_as(user=self.user, superuser=True)
    self.add_user_permission(self.user, "options.admin")
    assert options.get("mail.host") != "lolcalhost"
    response = self.client.put(self.url, {"mail.host": "lolcalhost"})
    assert response.status_code == 200
    assert options.get("mail.host") == "lolcalhost"