Make CI test print test errors to stderr
Make CI test print test errors to stderr

This makes it easier to debug
google/iree,google/iree,google/iree,google/iree,google/iree,iree-org/iree,iree-org/iree,iree-org/iree,google/iree,iree-org/iree,iree-org/iree,iree-org/iree,iree-org/iree,google/iree