kokoro: set -o pipefail
kokoro: set -o pipefail

Change-Id: Id405c04b207f5186a107b3d0cf14531d722bc7ec
Reviewed-on: https://code-review.googlesource.com/11241
Reviewed-by: Jaana Burcu Dogan <347c19a639ce752a783b4ea325d6539ab4b4a262@google.com>

googleapis/google-cloud-go,googleapis/google-cloud-go,googleapis/google-cloud-go,googleapis/google-cloud-go