prow/cmd/mkbuild-cluster/main.go
func setAccount(account string) error {
	_, cmd := command("gcloud", "config", "set", "core/account", account)
	return cmd.Run()
}
func setAccount(account string) error {
	_, cmd := command("gcloud", "config", "set", "core/account", account)
	return cmd.Run()
}
// setAccount calls gcloud config set core/account