From http://logs.openstack.org/64/302064/6/check/
gate-magnum-python27/6c92a13/console.html the log clearly
said bay-xx-xx-xx-xx is an invalid UUID. Using UUIDFields
with invalid UUIDs is no longer supported, so in our test
let's use real UUID case for that.
Change-Id: I0f3dbd8748293741cb5501365aee710220eb3ea0
Co-Authored-By: Spyros Trigazis <strigazi@gmail.com>