verifyNoMoreInteractions(mockCtx);
        }

        @Test
        @DisplayName("Never calculates MIC when integrity unsupported")
        void testNoMicCalculationWhenIntegrityUnsupported() throws Exception {
            // Only stub supportsIntegrity - isEstablished won't be called due to short-circuit
            when(mockCtx.supportsIntegrity()).thenReturn(false);