assertNotEquals(sid1.hashCode(), sid3.hashCode());
    }

    /**
     * Test the toDisplayString method for a resolved SID.
     */
    @Test
    void testToDisplayStringResolved() {
        rpc.sid_t rpcSid = new rpc.sid_t();
        rpcSid.revision = 1;
        rpcSid.sub_authority_count = 2;
        rpcSid.identifier_authority = new byte[] { 0, 0, 0, 0, 0, 5 };