user32: Add a test for reparenting a WS_POPUP window to a WS_CHILD parent. Take 2.

[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
http://testbot.winehq.org/JobDetails.pl?Key=9039

Your paranoid android.


=== W7PROX64 (64 bit win) ===
win.c:3480: Test failed: SetForegroundWindow() failed