*: fix the gctuner tests

[rleungx]

What problem does this PR solve?

Issue Number: Close #5953.

What is changed and how does it work?

Enable all gctuner-related tests.

Check List

Tests

• Unit test

Release note

None.

[ti-chi-bot]

[REVIEW NOTIFICATION]

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[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 77.45%. Comparing base (7ef2be0) to head (c05c0f8).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #6330      +/-   ##
==========================================
+ Coverage   77.34%   77.45%   +0.10%     
==========================================
  Files         472      472              
  Lines       61796    61796              
==========================================
+ Hits        47799    47866      +67     
+ Misses      10433    10376      -57     
+ Partials     3564     3554      -10     

Flag	Coverage Δ
unittests	77.45% <100.00%> (+0.10%)	:arrow_up:

Flags with carried forward coverage won't be shown. Click here to find out more.

[lhy1024]

still failed

--- FAIL: TestTuner (1.35s)
    tuner_test.go:59: 
        	Error Trace:	/home/runner/work/pd/pd/pkg/gctuner/tuner_test.go:59
        	Error:      	Condition never satisfied
        	Test:       	TestTuner

[rleungx]

/test ?

[ti-chi-bot[bot]]

@rleungx: The following commands are available to trigger required jobs:

• /test build

The following commands are available to trigger optional jobs:

• /test pull-integration-copr-test
• /test pull-integration-realcluster-test

Use /test all to run the following jobs that were automatically triggered:

• tikv/pd/ghpr_build
• tikv/pd/pull_integration_realcluster_test

In response to this:

/test ?

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[rleungx]

/test all

[rleungx]

/test pull-integration-realcluster-test

[rleungx]

/test pull-integration-realcluster-test

[ti-chi-bot[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

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

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The pull request process is described here

Needs approval from an approver in each of these files:

• ~~OWNERS~~ [JmPotato,lhy1024]

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[ti-chi-bot[bot]]

[LGTM Timeline notifier]

Timeline:

• 2024-08-07 07:24:05.136469532 +0000 UTC m=+423175.003568621: :ballot_box_with_check: agreed by JmPotato.
• 2024-08-07 07:33:29.140886443 +0000 UTC m=+423739.007985530: :ballot_box_with_check: agreed by lhy1024.