In CI it seems that occasionally we can't connect to the test servers within 10 tries, and the test flakes. Let's give the process more attempts. Updates golang/go#74437 Change-Id: I74d6cea83468a3a572ec4b52ff7314c778c664cf Cq-Include-Trybots: luci.golang.try:x_crypto-gotip-linux-amd64-longtest Reviewed-on: https://go-review.googlesource.com/c/crypto/+/692075 Auto-Submit: Daniel McCarney <daniel@binaryparadox.net> Reviewed-by: Roland Shoemaker <roland@golang.org> Reviewed-by: Mark Freeman <mark@golang.org> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>