do {
                curReq.setResponse(curResp);

                final ServerMessageBlock nextReq = curReq.getAndx();
                if (nextReq == null) {
                    break;
                }
                final ServerMessageBlock nextResp = curResp.getAndx();
                nextReq.setResponse(nextReq);

        // Set up lenient stubs for common operations to avoid unnecessary stubbing exceptions
        lenient().when(mockNdrBuffer.getIndex()).thenReturn(0);
        lenient().when(mockDeferredNdrBuffer.getIndex()).thenReturn(0);
        // Mock the index field access
        mockDeferredNdrBuffer.index = 0;
    }

    @Test
    void testGetSyntax() {