Try to deflake testing raftAfterSaveSleep failpoint

[serathius]

Please read https://github.com/etcd-io/etcd/blob/main/CONTRIBUTING.md#contribution-flow.

[k8s-ci-robot]

Skipping CI for Draft Pull Request.
If you want CI signal for your change, please convert it to an actual PR.
You can still manually trigger a test run with /test all

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: serathius

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [serathius]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

[serathius]

/retest

[serathius]

I think I found the root cause, the we build older releases the gofail is downgraded :(

�[0;94m% 'gofail' 'enable' 'server/etcdserver/' 'server/lease/leasehttp' 'server/mvcc/' 'server/wal/' 'server/mvcc/backend/'
�[0mgo: downloading go.etcd.io/gofail v0.1.0
go: downloading github.com/stretchr/testify v1.8.4
go: removed go.etcd.io/etcd/etcdctl/v3 v3.5.15
go: removed go.etcd.io/etcd/etcdutl/v3 v3.5.15
go: removed go.etcd.io/etcd/server/v3 v3.5.15
go: removed go.etcd.io/etcd/tests/v3 v3.5.15
go: downgraded go.etcd.io/gofail v0.2.0 => v0.1.0
go: downgraded go.etcd.io/gofail v0.2.0 => v0.1.0
go: downgraded go.etcd.io/gofail v0.2.0 => v0.1.0
go: downgraded go.etcd.io/gofail v0.2.0 => v0.1.0

[serathius]

cc @henrybear327

[henrybear327]

I think I found the root cause, the we build older releases the gofail is downgraded :(

�[0;94m% 'gofail' 'enable' 'server/etcdserver/' 'server/lease/leasehttp' 'server/mvcc/' 'server/wal/' 'server/mvcc/backend/'
�[0mgo: downloading go.etcd.io/gofail v0.1.0
go: downloading github.com/stretchr/testify v1.8.4
go: removed go.etcd.io/etcd/etcdctl/v3 v3.5.15
go: removed go.etcd.io/etcd/etcdutl/v3 v3.5.15
go: removed go.etcd.io/etcd/server/v3 v3.5.15
go: removed go.etcd.io/etcd/tests/v3 v3.5.15
go: downgraded go.etcd.io/gofail v0.2.0 => v0.1.0
go: downgraded go.etcd.io/gofail v0.2.0 => v0.1.0
go: downgraded go.etcd.io/gofail v0.2.0 => v0.1.0
go: downgraded go.etcd.io/gofail v0.2.0 => v0.1.0

Ah ha, good catch!