tests: deflakey TestLeaseGrantTimeToLiveExpired

[fuweid]

The following change can reproduce the issue #17504 by TESTCASE=TestLeaseGrantTimeToLiveExpired/PeerAutoTLS make test-e2e. We can retry it to reduce flakey possibility, if there is leader change.

diff --git a/tests/common/lease_test.go b/tests/common/lease_test.go
index afb27c330..dea8459dc 100644
--- a/tests/common/lease_test.go
+++ b/tests/common/lease_test.go
@@ -16,6 +16,7 @@ package common

 import (
        "context"
+       "sync"
        "testing"
        "time"

@@ -139,6 +140,18 @@ func TestLeaseGrantTimeToLiveExpired(t *testing.T) {
                                require.NoError(t, err)
                                require.Equal(t, int64(1), getResp.Count)

+                               var wg sync.WaitGroup
+                               defer wg.Wait()
+
+                               wg.Add(1)
+                               go func() {
+                                       defer wg.Done()
+                                       time.Sleep(1000 * time.Millisecond)
+                                       clus.(interface {
+                                               MoveLeader(ctx context.Context, t testing.TB, i int) error
+                                       }).MoveLeader(ctx, t, (clus.WaitLeader(t)+1)%len(clus.Members()))
+                               }()
+
                                time.Sleep(3 * time.Second)

                                ttlResp, err := cc.TimeToLive(ctx, leaseResp.ID, config.LeaseOption{})

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

[k8s-ci-robot]

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[fuweid]

cc @ahrtr @serathius @siyuanfoundation

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 68.91%. Comparing base (d83346b) to head (c81fb87).
Report is 1 commits behind head on main.

Additional details and impacted files

see 17 files with indirect coverage changes

@@            Coverage Diff             @@
##             main   #19476      +/-   ##
==========================================
- Coverage   69.07%   68.91%   -0.17%     
==========================================
  Files         420      420              
  Lines       35762    35762              
==========================================
- Hits        24704    24646      -58     
- Misses       9647     9690      +43     
- Partials     1411     1426      +15     

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