table/tables: fix bug for jepsen test on cached table

[tiancaiamao]

What problem does this PR solve?

Issue Number: close #36885

Problem Summary:

What is changed and how it works?

There are two places err not returned, two places lease value decrease.

Check List

Tests

• [ ] Unit test
• [X] Integration test

Integration jepsen 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:

• lcwangchao
• tangenta

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[sre-bot]

Code Coverage Details: https://codecov.io/github/pingcap/tidb/commit/b120df15b30110d4c724510849838cffc21b11c9

[hawkingrei]

/merge

[ti-chi-bot]

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

Commit hash: 5d84575c13b23a39d170b4742306bd11acf5fe3b

[ti-srebot]

cherry pick to release-6.0 in PR #37146

[ti-srebot]

cherry pick to release-6.1 in PR #37149

[sre-bot]

TiDB MergeCI notify

🔴 Bad News! [1] CI still failing after this pr merged. These failed integration tests don't seem to be introduced by the current PR.

CI Name	Result	Duration	Compare with Parent commit
idc-jenkins-ci-tidb/tics-test	🔴 failed 1, success 0, total 1	5 min 14 sec	Existing failure
idc-jenkins-ci/integration-cdc-test	🟢 all 36 tests passed	32 min	Existing passed
idc-jenkins-ci-tidb/integration-common-test	🟢 all 17 tests passed	16 min	Existing passed
idc-jenkins-ci-tidb/common-test	🟢 all 11 tests passed	14 min	Existing passed
idc-jenkins-ci-tidb/integration-ddl-test	🟢 all 6 tests passed	6 min 35 sec	Existing passed
idc-jenkins-ci-tidb/sqllogic-test-2	🟢 all 28 tests passed	6 min 2 sec	Existing passed
idc-jenkins-ci-tidb/sqllogic-test-1	🟢 all 26 tests passed	5 min 52 sec	Existing passed
idc-jenkins-ci-tidb/mybatis-test	🟢 all 1 tests passed	3 min 36 sec	Existing passed
idc-jenkins-ci-tidb/integration-compatibility-test	🟢 all 1 tests passed	3 min 3 sec	Existing passed
idc-jenkins-ci-tidb/plugin-test	🟢 build success, plugin test success	4min	Existing passed

[ti-srebot]

cherry pick to release-6.2 in PR #37151