[PATCH 1/2] ucrtbase/tests: Add some tests for __stdio_common_vsscanf().

[Marvin]

Hi,

While running your changed tests, 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=53484

Your paranoid android.


=== w1064v1809 (32 bit report) ===

ucrtbase:
scanf.c:271: Test failed: sscanf returned 1 for flags 0
scanf.c:271: Test failed: sscanf returned 1 for flags 0x2
scanf.c:271: Test failed: sscanf returned 1 for flags 0x4

=== w1064v1809 (64 bit report) ===

ucrtbase:
scanf.c:271: Test failed: sscanf returned 1 for flags 0
scanf.c:271: Test failed: sscanf returned 1 for flags 0x2
scanf.c:271: Test failed: sscanf returned 1 for flags 0x4