deqp-vk tests assert on null iterator
starting with 4c56b535, debug builds of mesa assert on most deqp-vk tests:
$ ./deqp-vk
Writing test log into TestResults.qpa
dEQP Core git-452762e22f39da298f7d0b5b0ea270d081d65b87 (0x452762e2) starting..
target implementation = 'Default'
deqp-vk: ../src/vulkan/util/vk_util.h:53: __vk_foreach_debug_next: Assertion `*iter' failed.
Somehow this got past the gitlab CI but disables vulkan testing in the Intel CI.