[PATCH] ddraw/tests: Account for random WARP behavior in test_texturemapblend (v2).

[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=107447

Your paranoid android.


=== debian11 (32 bit WoW report) ===

ddraw:
ddraw1.c:14266: Test failed: Expect clip rect (0,0)-(1024,768), got (0,0)-(640,480).
ddraw1.c:14432: Test failed: Expect window rect (0,0)-(640,480), got (0,0)-(1024,737).
ddraw1.c:14439: Test failed: Expect window rect (0,0)-(640,480), got (0,0)-(1024,737).