[PATCH v2] user32/tests: Tests for DM_REPOSITION message

[katahiromz .]

See attachment.

[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=59374

Your paranoid android.

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

user32:
dialog.c:1987: Test failed: dialog doesn't use message box font

=== w1064v1809_zh_CN (32 bit report) ===

user32:
dialog.c:1987: Test failed: dialog doesn't use message box font

=== debian10 (32 bit report) ===

user32:
dialog.c:2197: Test failed: rc.left was -100
dialog.c:2198: Test failed: rc.top was -100

=== debian10 (32 bit French report) ===

user32:
dialog.c:2197: Test failed: rc.left was -100
dialog.c:2198: Test failed: rc.top was -100

=== debian10 (32 bit Japanese:Japan report) ===

user32:
dialog.c:2197: Test failed: rc.left was -100
dialog.c:2198: Test failed: rc.top was -100

=== debian10 (32 bit Chinese:China report) ===

user32:
dialog.c:2197: Test failed: rc.left was -100
dialog.c:2198: Test failed: rc.top was -100

=== debian10 (32 bit WoW report) ===

user32:
dialog.c:2197: Test failed: rc.left was -100
dialog.c:2198: Test failed: rc.top was -100

=== debian10 (64 bit WoW report) ===

user32:
dialog.c:2197: Test failed: rc.left was -100
dialog.c:2198: Test failed: rc.top was -100