assertEquals(allFlags & ~ServerMessageBlock2.SMB2_FLAGS_SIGNED, testMessage.getFlags());
        }

        @Test
        @DisplayName("Should handle encoding at non-zero offset")
        void testEncodeAtNonZeroOffset() {
            byte[] buffer = new byte[1024];
            int offset = 100;
            testMessage.setBytesWritten(20);

            int len = testMessage.encode(buffer, offset);