[PATCH 4/5] user32/tests: Add proper tests for SetActiveWindow(0).

[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=106585

Your paranoid android.


=== w1064_2qxl (64 bit report) ===

user32:
win.c:4403: Test failed: hwnd 0000000000390256/0000000000390256 message 0200
win.c:4406: Test failed: hwnd 0000000000390256/0000000000390256 message 0201

=== w10pro64_ja (64 bit report) ===

user32:
win.c:10672: Test failed: pos = 00c800c8
win.c:10676: Test failed: pos = 00c800c8
win.c:10680: Test failed: pos = 00c800c8

=== w10pro64_zh_CN (64 bit report) ===

user32:
win.c:10672: Test failed: pos = 00c800c8
win.c:10676: Test failed: pos = 00c800c8
win.c:10680: Test failed: pos = 00c800c8

=== debian11 (32 bit Chinese:China report) ===

user32:
win.c:10849: Test failed: Expected foreground window 00F700D0, got 0087005E