test: Clean-up sample test buckets by prefix (#1825)
test: Clean-up sample test buckets by prefix (#1825)

* test: Clean-up sample test buckets by prefix

* fix: cap bucket name to 63 characters

https://cloud.google.com/storage/docs/naming-buckets#requirements
googleapis/nodejs-storage,googleapis/nodejs-storage,googleapis/nodejs-storage,googleapis/nodejs-storage