This fixes flakiness observed inside Google (b/465393996). Change-Id: Ic3decc3206b470cddf22c441b0cf92bb2bebb075 Reviewed-on: https://go-review.googlesource.com/c/crypto/+/724002 Reviewed-by: Roland Shoemaker <roland@golang.org> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>