public void testRejectSoftwareStatementWithoutIssuer()
throws Exception {
SignedJWT jwt = new SignedJWT(new JWSHeader(JWSAlgorithm.HS256), new JWTClaimsSet());
jwt.sign(new MACSigner("abcdef1234567890"));
ClientMetadata metadata = new ClientMetadata();
metadata.setRedirectionURI(new URI("https://client.com/in"));
metadata.setName("Test App");