testFileIdInRequest(zeroRequest, zeroFileId);

        // Test with all ones
        byte[] onesFileId = new byte[16];
        Arrays.fill(onesFileId, (byte) 0xFF);
        Smb2FlushRequest onesRequest = new Smb2FlushRequest(mockConfig, onesFileId);
        testFileIdInRequest(onesRequest, onesFileId);

        // Test with alternating pattern

        testFileIdInRequest(zeroRequest, zeroFileId);

        // Test with all ones
        byte[] onesFileId = new byte[16];
        Arrays.fill(onesFileId, (byte) 0xFF);
        Smb2CloseRequest onesRequest = new Smb2CloseRequest(mockConfig, onesFileId, testFileName);
        testFileIdInRequest(onesRequest, onesFileId);

        // Test with alternating pattern