[2/5] user32: Add a message test for popup menus on windows that have capture.

[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=6543

Your paranoid android.


=== w7u (32 bit msg) ===
msg.c:12092: Test failed: unexpected hwnd 00080140
msg.c:12114: Test failed: bad time 3298f/329ae

=== w864 (64 bit msg) ===
msg.c:6048: Test failed: Update region shouldn't be empty
msg.c:6282: Test failed: InvalidateErase: 0: the msg sequence is not complete: expected 0085 - actual 0000
msg.c:6284: Test failed: Paint: 0: the msg sequence is not complete: expected 000f - actual 0000
msg.c:6054: Test failed: Regions are different
msg.c:6054: Test failed: Regions are different
msg.c:6054: Test failed: Regions are different