*: temporarily skip some unstable test cases.

[bb7133]

Skip the following test cases because they're not stable.

• testDBSuite2.TestAddUniqueIndexRollback (unstable test testDBSuite2.TestAddUniqueIndexRollback #25456)
• testStaleTxnSuite.TestStaleSelect (unstable test testStaleTxnSuite.TestStaleSelect #25457)
• testPrepareSerialSuite.TestPrepareCacheIndexScan (unstable test testPrepareSerialSuite.TestPrepareCacheIndexScan #25455)
• TestPrepareTableAsNameOnGroupByWithCache (Leak test in TestPrepareTableAsNameOnGroupByWithCache #25394)
• testPrepareSerialSuite.TestPrepareCacheWithJoinTable (unstable test testPrepareSerialSuite.TestPrepareCacheWithJoinTable #25459)
• tidbTestTopSQLSuite.TestTopSQLAgent (Unstable test tidbTestTopSQLSuite.TestTopSQLAgent #25391)

Release note

• No release note

[zimulala]

LGTM

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• AilinKid
• zimulala

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[zhouqiang-cl]

LGTM

[ti-chi-bot]

@zhouqiang-cl: Thanks for your review. The bot only counts approvals from reviewers and higher roles in list, but you're still welcome to leave your comments.

In response to this:

LGTM

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[xhebox]

/merge

[ti-chi-bot]

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

Commit hash: dc530c8

[ti-chi-bot]

@bb7133: Your PR was out of date, I have automatically updated it for you.

At the same time I will also trigger all tests for you:

/run-all-tests

If the CI test fails, you just re-trigger the test that failed and the bot will merge the PR for you after the CI passes.

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.