TestReadMetricsSched/running can take some time to enter in steady state
on busy systems. We currently only allow 1 second for that, we should
let it run unlimitedly until success or the test time's out.
Fixes #75049
Change-Id: I452059e1837caf12a2d2d9cae1f70a0ef2d4f518
Reviewed-on: https://go-review.googlesource.com/c/go/+/702295
Auto-Submit: Damien Neil <dneil@google.com> Reviewed-by: Damien Neil <dneil@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Reviewed-by: Michael Knyszek <mknyszek@google.com>