tests(ticdc): fix bank test (#11407)

[ti-chi-bot]

This is an automated cherry-pick of #11407

What problem does this PR solve?

Issue Number: close #11806

What is changed and how it works?

Check List

Tests

• Integration test
• Manual test (add detailed scripts or steps below)
  

Questions

Will it cause performance regression or break compatibility?

Do you need to update user documentation, design documentation or monitoring documentation?

Release note

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[ti-chi-bot]

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[ti-chi-bot]

This cherry pick PR is for a release branch and has not yet been approved by triage owners.
Adding the do-not-merge/cherry-pick-not-approved label.

To merge this cherry pick:

1. It must be approved by the approvers firstly.
2. AFTER it has been approved by approvers, please wait for the cherry-pick merging approval from triage owners.

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[ti-chi-bot]

@ti-chi-bot: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
jenkins-ticdc/verify	710fd35	link	true	/test verify
pull-cdc-integration-storage-test	710fd35	link	true	/test cdc-integration-storage-test
pull-cdc-integration-mysql-test	710fd35	link	true	/test cdc-integration-mysql-test
pull-cdc-integration-kafka-test	710fd35	link	true	/test cdc-integration-kafka-test

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