chore: retry install go modules in integration test (#632)
chore: retry install go modules in integration test (#632)

* chore: run system tests in GitHub workflow

* chore: retry install go modules in integration test

* do not retry go mod init
googleapis/cloud-profiler-nodejs,googleapis/cloud-profiler-nodejs,googleapis/cloud-profiler-nodejs,googleapis/cloud-profiler-nodejs,googleapis/cloud-profiler-nodejs