[PATCH] comctl32/tests: Add some tests for Static/SS_BITMAP control.

[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=64643

Your paranoid android.


=== w1064v1809_ar (32 bit report) ===

comctl32:
datetime.c:796: Test failed: Expected 06/02/2020, got 2020/02/06