// Any PACDecodingException is acceptable for this test
        assertNotNull(e.getMessage());
    }

    @Test
    void testMalformedPac() {
        // Too small to be a valid PAC
        byte[] malformedData = new byte[] { 1, 0, 0, 0 };

        PACDecodingException e = assertThrows(PACDecodingException.class, () -> new Pac(malformedData, keys));