[PATCH] ntdll/tests: Add basic tests for NtSetInformationThread(), class ThreadAffinityMask

[Zebediah Figura]

Hello Roger, thanks for your contribution.

On 09/09/18 13:16, Roger Zoellner wrote:
> Related to https://source.winehq.org/patches/data/150818

Ideally these should be sent together as a series, or possibly in the
same patch.

Also, we already have tests for ThreadAffinityMask; see test_affinity()
in dlls/ntdll/tests/info.c. You should probably append your tests there
instead of adding new ones here.