[release-3.6] Fix TestLeaseGrantTimeToLiveExpired flaky due to leader change

[ahrtr]

Backport #19476 to 3.6

[ahrtr]

We need at least one maintainer to approve. @jmhbnz

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 68.86%. Comparing base (efcf06a) to head (6662b3c).
Report is 2 commits behind head on release-3.6.

Additional details and impacted files

see 26 files with indirect coverage changes

@@               Coverage Diff               @@
##           release-3.6   #19481      +/-   ##
===============================================
- Coverage        68.93%   68.86%   -0.07%     
===============================================
  Files              420      420              
  Lines            35762    35762              
===============================================
- Hits             24651    24628      -23     
- Misses            9688     9708      +20     
- Partials          1423     1426       +3     

---

Continue to review full report in Codecov by Sentry.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update efcf06a...6662b3c. Read the comment docs.

[ivanvc]

LGTM. This backport looks correct.

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: ahrtr, ivanvc

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 [ahrtr]

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

[ivanvc]

/retitle [release-3.6] Fix TestLeaseGrantTimeToLiveExpired flaky due to leader change