// Put it back for subsequent tests
        setPrivateField(ctx, "gssContext", gssContext);
    }

    @Test
    @DisplayName("supportsIntegrity always true")
    void supportsIntegrity_alwaysTrue() {
        assertTrue(ctx.supportsIntegrity());
    }

    @Test
    @DisplayName("calculateMIC returns value from GSS and verifies interaction")
    void calculateMIC_success() throws Exception {