For QE, we can use the existing whitebox vpmu tests and do more assertions about the request spec. This doesn't need a GPU or PCI device, just something set by flavor extra specs.
*** Bug 2054274 has been marked as a duplicate of this bug. ***
@gibi Since you've picked this up upstream [1], any objections if I give you this BZ? [1] https://review.opendev.org/q/I73c9ae27e9c42ee211a53bed3d849650b65f08be
sure, I can take it.