[Bug 53228] New: dxgi:dxgi - test_swapchain_window_styles() sometimes fails on Windows 10

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=53228

Bug ID: 53228
           Summary: dxgi:dxgi - test_swapchain_window_styles() sometimes
                    fails on Windows 10
           Product: Wine
           Version: unspecified
          Hardware: x86-64
                OS: Windows
            Status: NEW
          Severity: normal
          Priority: P2
         Component: directx-d3d
          Assignee: [e-mail]
          Reporter: [e-mail]

dxgi:dxgi - test_swapchain_window_styles() sometimes fails on Windows 10:

dxgi.c:6125: Test failed: Test 4: Got unexpected exstyle 0x108, expected 0x100.
dxgi.c:6141: Test failed: Test 4: Got unexpected exstyle 0x108, expected 0x100.
dxgi.c:6169: Test failed: Test 4: Got unexpected exstyle 0x108, expected 0x100.
dxgi.c:6196: Test failed: Test 4: Got unexpected exstyle 0x108, expected 0x100.
dxgi.c:6212: Test failed: Test 4: Got unexpected exstyle 0x108, expected 0x100.

https://test.winehq.org/data/patterns.html#dxgi:dxgi

This failure has been seen on Windows 10 1507 to 21H2.

Furthermore, because of the test's multi-threading it has an elevated risk of
causing false positives (see bug 53212).