fix(bigtable): test resource leaks, timestamp clamping, and metrics exporter - #9059

fix(bigtable): test resource leaks, timestamp clamping, and metrics exporter#9059

bshaffer merged 6 commits into

maingoogleapis/google-cloud-node:mainfrom

bigtable-ci-fixesgoogleapis/google-cloud-node:bigtable-ci-fixesCopy head branch name to clipboard