[DNM]test(ticdc): introduce new testkit to make writing unit test easier

[3AceShowHand]

What problem does this PR solve?

Issue Number: close #10145

What is changed and how it works?

Check List

Tests

• Unit test
• Integration test

Questions

Will it cause performance regression or break compatibility?

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

Release note

`None`

[ti-chi-bot]

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[ti-chi-bot]

@3AceShowHand: 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	e678896	link	true	/test verify
pull-cdc-integration-mysql-test	e678896	link	true	/test cdc-integration-mysql-test
pull-cdc-integration-storage-test	e678896	link	true	/test cdc-integration-storage-test
pull-cdc-integration-kafka-test	e678896	link	true	/test cdc-integration-kafka-test
pull-dm-integration-test	e678896	link	true	/test dm-integration-test

Full PR test history. Your PR dashboard.

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[ti-chi-bot]

PR needs rebase.

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