def METHOD_NAME(self) -> None:
    channel = self.make_request(
        "POST",
        "/_matrix/client/r0/user/%s/filter" % ("@watermelon:test"),
        self.EXAMPLE_FILTER_JSON,
    )
    self.assertEqual(channel.code, 403)
    self.assertEqual(channel.json_body["errcode"], Codes.FORBIDDEN)