=== w7u (32 bit win) ===
win.c:9860: Test failed: SetWindowDisplayAffinity returned with 8
win.c:9864: Test failed: GetWindowDisplayAffinity returned unexpected affinity 0
win.c:9867: Test failed: SetWindowDisplayAffinity returned with 8

The testbot Windows 7 VMs have DWM composition disabled which my test case did not properly handle. I am stealing some code from the ddraw tests to detect if DWM is enabled, and skip some tests if it isn't.