[PATCH 0/1] MR8236: dxcore/tests: Skip tests when there is no display available.

[Bernhard Übelacker (＠bernhardu)]

[Test pattern page.](https://test.winehq.org/data/patterns.html#dxcore:dxcore)

[Testbot run with this patch.](https://testbot.winehq.org/JobDetails.pl?Key=158548)