chore(node): exclude test fixtures from post-processing#3909

gcf-owl-bot[bot] wants to merge 1 commit intomaingoogleapis/google-api-nodejs-client:mainfrom

owl-bot-update-lock-4fe73296173f9cbfced42915365a33981ee6a291dd2dc0edb1a0a2e3abeeeed8googleapis/google-api-nodejs-client:owl-bot-update-lock-4fe73296173f9cbfced42915365a33981ee6a291dd2dc0edb1a0a2e3abeeeed8Copy head branch name to clipboard