I have already done a preliminary review for you, and I hope to help you do a better job.

Based on the pull request title and description, it seems that the proposed change is to archive logs if the test is not successful.

Looking at the diff, it appears that the change is modifying a file called ghpr_mysql_test.groovy in the pipelines/pingcap/tidb/latest directory. Specifically, it changes the failure block to unsuccessful block, and archives the artifacts if the test is not successful.

Overall, the change seems reasonable and should not introduce any issues. However, it might be worthwhile to confirm that the change does not interfere with any other parts of the pipeline that may depend on the failure block.

As for suggestions, it might be helpful to add some more context to the pull request description. For example, why was this change deemed necessary and how was it tested? Additionally, it might be helpful to include any relevant issue or ticket numbers related to this change.

test link https://do.pingcap.net/jenkins/blue/organizations/jenkins/pingcap%2Ftidb%2Fghpr_mysql_test/detail/ghpr_mysql_test/12738/pipeline

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PR Code Suggestions ✨

-unsuccessful {
+failure {
     archiveArtifacts(artifacts: 'tidb-test/mysql_test/mysql-test.out*', allowEmptyArchive: true)
 }
 

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