[PATCH 2/2 v4] user32: Add more dialog creation message tests

[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=20560

Your paranoid android.


=== wvistau64 (32 bit msg) ===
msg.c:13904: Test failed: 10: WaitForSingleObject failed
msg.c:13904: Test failed: 11: WaitForSingleObject failed

=== w1064 (32 bit msg) ===
msg.c:6290: Test failed: Update region shouldn't be empty
msg.c:6524: Test failed: InvalidateErase: 0: the msg sequence is not complete: expected 0085 - actual 0000
msg.c:6526: Test failed: Paint: 0: the msg sequence is not complete: expected 000f - actual 0000
msg.c:6296: Test failed: Regions are different
msg.c:6296: Test failed: Regions are different
msg.c:6296: Test failed: Regions are different