build(node): don't run prepare during smoke test
build(node): don't run prepare during smoke test

Source-Author: Benjamin E. Coe <69440dae14aaa9fe2429b324bfce03449d09e1db@google.com>
Source-Date: Fri Oct 23 17:27:51 2020 -0400
Source-Repo: googleapis/synthtool
Source-Sha: a783321fd55f010709294455584a553f4b24b944
Source-Link: https://github.com/googleapis/synthtool/commit/a783321fd55f010709294455584a553f4b24b944

googleapis/google-cloud-node,googleapis/google-cloud-node,googleapis/google-cloud-node,googleapis/google-cloud-node