extension: fix unstable test TestAuditLogReservedDays

[CbcWestwolf]

What problem does this PR solve?

Issue Number: close #43872

Problem Summary:

What is changed and how it works?

Check List

Tests

• Unit test (current UT)
• Integration test
• Manual test (add detailed scripts or steps below)
• No code

Side effects

• Performance regression: Consumes more CPU
• Performance regression: Consumes more Memory
• Breaking backward compatibility

Documentation

• Affects user behaviors
• Contains syntax changes
• Contains variable changes
• Contains experimental features
• Changes MySQL compatibility

Release note

Please refer to Release Notes Language Style Guide to write a quality release note.

None

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• hawkingrei
• lcwangchao

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After your PR has acquired the required number of LGTMs, you can assign this pull request to the committer in the list by filling /assign @committer in the comment to help you merge this pull request.

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[ti-chi-bot]

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

[hawkingrei]

/test all

[hawkingrei]

/test all

[CbcWestwolf]

/cc hawkingrei lcwangchao
PTAL

[hawkingrei]

/merge

[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: 5af9ba4

[hawkingrei]

/retest

[hawkingrei]

/cherrypick release-7.1

[ti-chi-bot]

@hawkingrei: failed to apply #43876 on top of branch "release-7.1":

[failed to git add conflicting files: exit status 128, failed to git commit: exit status 128]

In response to this:

/cherrypick release-7.1

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 ti-community-infra/tichi repository.

[CbcWestwolf]

/cherrypick release-7.1

[ti-chi-bot]

@CbcWestwolf: failed to apply #43876 on top of branch "release-7.1":

[failed to git add conflicting files: exit status 128, failed to git commit: exit status 128]

In response to this:

/cherrypick release-7.1

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 ti-community-infra/tichi repository.