assertEquals(null, storedFileId);
    }

    @Test
    @DisplayName("setCloseFlags should update close flags")
    void testSetCloseFlags() throws Exception {
        int testFlags = 0x00000001; // SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB
        request.setCloseFlags(testFlags);

        Field closeFlagsField = Smb2CloseRequest.class.getDeclaredField("closeFlags");
        closeFlagsField.setAccessible(true);