assertArrayEquals(mechs, parsed.getMechanisms(), "Mechanism order must be preserved");
    }

    @Test
    @DisplayName("setContextFlag toggles bits correctly")
    void testSetAndGetContextFlags() {
        NegTokenInit init = new NegTokenInit();
        assertEquals(0, init.getContextFlags());

        init.setContextFlag(NegTokenInit.CONFIDENTIALITY, true);