// After release, getting buffer again should return null
        assertNull(transaction.releaseBuffer());
    }

    @Test
    @DisplayName("Test subCommand getter and setter")
    void testSubCommand() {
        assertEquals(SmbComTransaction.TRANS2_FIND_FIRST2, transaction.getSubCommand());

        transaction.setSubCommand(SmbComTransaction.TRANS2_QUERY_FS_INFORMATION);