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Huh, weird. All of the tests passed *except* the Vulkan sanity check which crashed with c0000135 and no stdout.

This is exactly backwards. Expected outcomes are

* this test fails, so does everything else because vulkan is broken
* this test passes, one or more other tests fail due to a bug
* all tests pass

The sanity check code is practically copy pasted from the other tests just not doing anything besides init. Why is it failing??