Add Vision API system tests to verify accessing a gcs bucket outside of a secure perimeter is blocked. (#8276)
Add Vision API system tests to verify accessing a gcs bucket outside of a secure perimeter is blocked. (#8276)


tswast/google-cloud-python,tseaver/google-cloud-python,GoogleCloudPlatform/gcloud-python,googleapis/google-cloud-python,tseaver/google-cloud-python,GoogleCloudPlatform/gcloud-python,googleapis/google-cloud-python,tswast/google-cloud-python,tseaver/google-cloud-python,tswast/google-cloud-python