tests: fix TestGCOperations

[rleungx]

What problem does this PR solve?

Issue Number: Close #9714.

What is changed and how does it work?

Check List

Tests

• Unit test
  git

Release note

None.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 76.87%. Comparing base (33d00c5) to head (34c5eee).
⚠️ Report is 4 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #9829      +/-   ##
==========================================
+ Coverage   76.82%   76.87%   +0.05%     
==========================================
  Files         491      491              
  Lines       78440    78454      +14     
==========================================
+ Hits        60261    60313      +52     
+ Misses      14478    14454      -24     
+ Partials     3701     3687      -14     

Flag	Coverage Δ
unittests	76.87% <ø> (+0.05%)	⬆️

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[ti-chi-bot]

@MyonKeminta: adding LGTM is restricted to approvers and reviewers in OWNERS files.

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[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: JmPotato, lhy1024, MyonKeminta

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Needs approval from an approver in each of these files:

• OWNERS [JmPotato,lhy1024]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2025-10-15 02:48:22.804345659 +0000 UTC m=+235208.881598219: ☑️ agreed by JmPotato.
• 2025-10-15 03:36:55.887981501 +0000 UTC m=+238121.965234061: ☑️ agreed by lhy1024.

[rleungx]

/retest

[ti-chi-bot]

@rleungx: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
non-block/pull-unit-test-next-gen	34c5eee	link	false	/test pull-unit-test-next-gen

Full PR test history. Your PR dashboard.

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