fix: enable longpaths support for windows test (#1485) (#401)
fix: enable longpaths support for windows test (#1485) (#401)

Source-Link: https://github.com/googleapis/synthtool/commit/73365620c41d96e97ff474b2c4d39b890ad51967
Post-Processor: 48d5800083e04fbe06b7d85b0e411aebd73b5710@sha256:d4b80feffe1579818cdc39466152e9de95789a193408506cd4a1ffbe8804dc00
googleapis/google-cloud-java,googleapis/google-cloud-java,googleapis/google-cloud-java