The vulkan driver is missing required extensions so these tests are all
failing.

Bug: angleproject:4352
Change-Id: Id1af7c40798d8844fbf832c6066260fe3a8bfeda
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2023911
Commit-Queue: Michael Spang <spang@chromium.org>
Reviewed-by: Jamie Madill <jmadill@chromium.org>