assertEquals(2, roles.size());
        assertEquals("admin", roles.get(0));
        assertEquals("user", roles.get(1));
    }

    @Test
    public void test_parseJwtClaim_nestedObject() throws IOException {
        final String jwtClaim = "{\"address\":{\"street\":\"123 Main St\",\"city\":\"Springfield\"}}";
        final Map<String, Object> attributes = new HashMap<>();