[2/4] ntdll/tests: Add additional tests for FileRenameInformation.

[Marvin]

Hi,

While running your changed tests on Windows, I think I found new failures.
Being a bot and all I'm not very good at pattern recognition, so I might be
wrong, but could you please double-check?
Full results can be found at
https://testbot.winehq.org/JobDetails.pl?Key=16200

Your paranoid android.


=== w8 (32 bit file) ===
file.c:408: Test failed: mismatched file size for L"WindowsUpdate.log"