Mockito.mockConstruction(SmbFileInputStream.class, (mock, context) -> {
                    // Mock the read method to return simple content
                    byte[] includeContent = "192.168.1.200 INCLUDEHOST\n".getBytes();
                    int[] index = { 0 };
                    when(mock.read()).thenAnswer(inv -> {
                        if (index[0] < includeContent.length) {